You're in Water Filters

Need a Personal Shopper?

Subscribe to
Bizrate emails for the hottest
deals & products
,
PLUS a chance to

WIN $25

sign me up!

New winners chosen weekly.
No purchase necessary.

Filtrex (FXB20CYST) 20"x4.5" Big Blue CYST Series GreenBlock Carbon 1 Micron Filter

Filtrex (FXB20CYST) 20"x4.5" Big Blue CYST Series GreenBlock Carbon 1 Micron Filter

1 Micron No Release of Carbon Fines Exceptionally Low Pressure Drop Manufactured from NSF Std 61 Certified Coconut Shell greencarbon Performance Validated by WQA NSF Certified for Material Safety - Standard 42 Industry Leading Performance at a...

$66.99

at IsopureWater.com

Filtrex (FXB20CL2) 20"x4.5" Big Blue Ecocarb GreenBlock Carbon Filter 10 Micron

Filtrex (FXB20CL2) 20"x4.5" Big Blue Ecocarb GreenBlock Carbon Filter 10 Micron

Filtrex Technologies is proud to be the first carbon block manufacturer to use NSF61 listed greencarbon developed by Global Ecocarb Pvt Ltd. This high performance coconut shell carbon is manufactured using a patented process that significantly reduces... ... more

Filtrex (FXB20CL2) 20"x4.5" Big Blue Ecocarb GreenBlock Carbon Filter 10 Micron

Filtrex Technologies is proud to be the first carbon block manufacturer to use NSF61 listed greencarbon developed by Global Ecocarb Pvt Ltd. This high performance coconut shell carbon is manufactured using a patented process that significantly reduces...

Amazon Marketplace

$43.61

go to store
iSpring FP220BX2 20 Micron 20-Inch Big Blue Whole House Water Filter with 4.5-Inch x 20-Inch Sediment, 2-Pack

iSpring FP220BX2 20 Micron 20-Inch Big Blue Whole House Water Filter with 4.5-Inch x 20-Inch Sediment, 2-Pack

20 micron 20" x 4.5" Polypropylene Sediment Melt Blown Filters SKU: FP220Bx2 Product Highlights - Individually wrapped, packed in 2 pcs per carton - Dimensions: Length = 20", O.D. = 4.5", I.D. = 1 1/8" - Flow rate: 5 GPM - Filter life: 10,000 gallons -... ... more

iSpring FP220BX2 20 Micron 20-Inch Big Blue Whole House Water Filter with 4.5-Inch x 20-Inch Sediment, 2-Pack

20 micron 20" x 4.5" Polypropylene Sediment Melt Blown Filters SKU: FP220Bx2 Product Highlights - Individually wrapped, packed in 2 pcs per carton - Dimensions: Length = 20", O.D. = 4.5", I.D. = 1 1/8" - Flow rate: 5 GPM - Filter life: 10,000 gallons -...

Amazon Marketplace

$39.99

FREE shipping

go to store
iSpring FP220BX2 20 Micron 20-Inch Big Blue Whole House Water Filter with 4.5-Inch x 20-Inch Sediment, 2-Pack

iSpring FP220BX2 20 Micron 20-Inch Big Blue Whole House Water Filter with 4.5-Inch x 20-Inch Sediment, 2-Pack

20 micron 20" x 4.5" Polypropylene Sediment Melt Blown Filters SKU: FP220Bx2 Product Highlights - Individually wrapped, packed in 2 pcs per carton - Dimensions: Length = 20", O.D. = 4.5", I.D. = 1 1/8" - Flow rate: 5 GPM - Filter life: 10,000 gallons -... ... more

iSpring FP220BX2 20 Micron 20-Inch Big Blue Whole House Water Filter with 4.5-Inch x 20-Inch Sediment, 2-Pack

20 micron 20" x 4.5" Polypropylene Sediment Melt Blown Filters SKU: FP220Bx2 Product Highlights - Individually wrapped, packed in 2 pcs per carton - Dimensions: Length = 20", O.D. = 4.5", I.D. = 1 1/8" - Flow rate: 5 GPM - Filter life: 10,000 gallons -...

Amazon.com

$43.15

go to store
iSpring FC15BX4 10-Inch Big Blue Whole House Water Filter with 4.5-Inch x 10-Inch CTO Carbon Block, 4-Pack

iSpring FC15BX4 10-Inch Big Blue Whole House Water Filter with 4.5-Inch x 10-Inch CTO Carbon Block, 4-Pack

5 micron 10" x 4.5" CTO Carbon Block Filters Product Highlights - Individually wrapped, packed in 4 pcs per carton - Dimensions: Length = 10", O.D. = 4.5", I.D. = 1 1/8" - Flow rate: 5-7 GPM - Filter life: 20,000 gallons - Operating Temperature:... ... more

iSpring FC15BX4 10-Inch Big Blue Whole House Water Filter with 4.5-Inch x 10-Inch CTO Carbon Block, 4-Pack

5 micron 10" x 4.5" CTO Carbon Block Filters Product Highlights - Individually wrapped, packed in 4 pcs per carton - Dimensions: Length = 10", O.D. = 4.5", I.D. = 1 1/8" - Flow rate: 5-7 GPM - Filter life: 20,000 gallons - Operating Temperature:...

Amazon.com

$93.82

go to store
Dormont CLDBMAXR-BL-CB Carbon Block Filter w/ 20 Big Blue, 1-Micron

Dormont CLDBMAXR-BL-CB Carbon Block Filter w/ 20 Big Blue, 1-Micron

The Water Filter Parts by Dormont: Carbon Block Filter, 20-inch Big Blue, 1-micron, is formulated for the reduction of chloramines and chlorine, WQA certified to NSF/ANSI industry standards. ... more

Dormont CLDBMAXR-BL-CB Carbon Block Filter w/ 20 Big Blue, 1-Micron

The Water Filter Parts by Dormont: Carbon Block Filter, 20-inch Big Blue, 1-micron, is formulated for the reduction of chloramines and chlorine, WQA certified to NSF/ANSI industry standards.

KaTom

(10,000+)

$1,849.39 $695.27

go to store

KaTom

(10,000+)
Dormont HSR-BL-CB-M 20 Big Blue Carbon Block Filter w/ 1-Micron

Dormont HSR-BL-CB-M 20 Big Blue Carbon Block Filter w/ 1-Micron

The Water Filter Parts by Dormont: Big Blue Carbon Block Filter, 20-inch, uses coconut shell carbon for clean water filtration, 1-micron, with reduction of cryptosporidium, giardia, entamoeba, sediment, chlorine taste and odor. ... more

Dormont HSR-BL-CB-M 20 Big Blue Carbon Block Filter w/ 1-Micron

The Water Filter Parts by Dormont: Big Blue Carbon Block Filter, 20-inch, uses coconut shell carbon for clean water filtration, 1-micron, with reduction of cryptosporidium, giardia, entamoeba, sediment, chlorine taste and odor.

KaTom

(10,000+)

$1,065.20 $500.63

go to store

KaTom

(10,000+)
20' x 4.5', Lead Removal, 5 Micron Carbon Block Filter Cartridge Big Blue BB Full Flow

20' x 4.5', Lead Removal, 5 Micron Carbon Block Filter Cartridge Big Blue BB Full Flow

Features Class 1 Chlorine, Taste & Odor Reduction with Lead Removal Metsorb? Lead Removal Media is made in the USA by Graver Technologies & is NSF Certified Made with Premium Quality Coconut Shell Activated Carbon 5 Micron Filtration Fits all Standard... ... more

20' x 4.5', Lead Removal, 5 Micron Carbon Block Filter Cartridge Big Blue BB Full Flow

Features Class 1 Chlorine, Taste & Odor Reduction with Lead Removal Metsorb? Lead Removal Media is made in the USA by Graver Technologies & is NSF Certified Made with Premium Quality Coconut Shell Activated Carbon 5 Micron Filtration Fits all Standard...

Jet.com

$59.95

FREE shipping

go to store
20' Big Blue Whole House Water Filter 4.5' x 20' Sediment (Box of 6)

20' Big Blue Whole House Water Filter 4.5' x 20' Sediment (Box of 6)

4 1/2 x 20 inch 5 micron water filter ... more

$40.31

FREE shipping

go to store
Hydronix SMCB-4520 NSF Coconut BIG BLUE Carbon Block Cyst Water Filter, 4.5" x 20" - 0.5 micron

Hydronix SMCB-4520 NSF Coconut BIG BLUE Carbon Block Cyst Water Filter, 4.5" x 20" - 0.5 micron

Hydronix SMCB-4520 carbon block filters are NSF/ANSI standard 42 certified for Material and structural Safety. SMCB-4520 filters have a particle retention Size of 0.5 microns, and are ideal for Drinking water filtration applications. The Hydronix... ... more

Hydronix SMCB-4520 NSF Coconut BIG BLUE Carbon Block Cyst Water Filter, 4.5" x 20" - 0.5 micron

Hydronix SMCB-4520 carbon block filters are NSF/ANSI standard 42 certified for Material and structural Safety. SMCB-4520 filters have a particle retention Size of 0.5 microns, and are ideal for Drinking water filtration applications. The Hydronix...

$99.99

FREE shipping

go to store
1 Micron Carbon Block Filter Cartridge - 4.5 x 20 inch

1 Micron Carbon Block Filter Cartridge - 4.5 x 20 inch

1 Micron Big Blue Carbon Block Filter Cartridge CTO series, extruded carbon block filter cartridges, are made with coconut shell based carbon which creates what many believed to be sweeter tasting water. The unique structure of this carbon is well... ... more

1 Micron Carbon Block Filter Cartridge - 4.5 x 20 inch

1 Micron Big Blue Carbon Block Filter Cartridge CTO series, extruded carbon block filter cartridges, are made with coconut shell based carbon which creates what many believed to be sweeter tasting water. The unique structure of this carbon is well...

$64.78 $48.14

FREE shipping

go to store
10 in. 5-Micron Big Blue Carbon Block (CTO) Water Filter Replacement Cartridge

10 in. 5-Micron Big Blue Carbon Block (CTO) Water Filter Replacement Cartridge

Free Shipping on Over 500K Items!

5 micron 10 in. x 4.5 in. CTO Carbon Block Filters Product Highlights - Individually wrapped, packed in 4 pcs per carton - Dimensions: Length = 10 in., O.D. = 4.5 in., I.D. = 1-1/8 in. - Flow rate: 5-7 GPM - Filter life: 20,000 Gal. - Operating... ... more

10 in. 5-Micron Big Blue Carbon Block (CTO) Water Filter Replacement Cartridge

5 micron 10 in. x 4.5 in. CTO Carbon Block Filters Product Highlights - Individually wrapped, packed in 4 pcs per carton - Dimensions: Length = 10 in., O.D. = 4.5 in., I.D. = 1-1/8 in. - Flow rate: 5-7 GPM - Filter life: 20,000 Gal. - Operating...

HomeDepot.com

$29.02 $27.57

go to store
10 in. 5-Micron Big Blue Carbon Block (CTO) Water Filter Replacement Cartridge (4-Pack)

10 in. 5-Micron Big Blue Carbon Block (CTO) Water Filter Replacement Cartridge (4-Pack)

Free Shipping on Over 500K Items!

5 micron 10 in. x 4.5 in. CTO Carbon Block Filters Product Highlights - Individually wrapped, packed in 4 pcs per carton - Dimensions: Length = 10 in., O.D. = 4.5 in., I.D. = 1-1/8 in. - Flow rate: 5-7 GPM - Filter life: 20,000 Gal. - Operating... ... more

10 in. 5-Micron Big Blue Carbon Block (CTO) Water Filter Replacement Cartridge (4-Pack)

5 micron 10 in. x 4.5 in. CTO Carbon Block Filters Product Highlights - Individually wrapped, packed in 4 pcs per carton - Dimensions: Length = 10 in., O.D. = 4.5 in., I.D. = 1-1/8 in. - Flow rate: 5-7 GPM - Filter life: 20,000 Gal. - Operating...

HomeDepot.com

$93.82 $89.13

FREE shipping

go to store
iSpring 3-stage 20-inch Big Blue Whole House Water Filter with Multi-layer Sediment and Dual CTO Carbon (Black) Block Filters (3-Stage Big Blue, Whole House System)

iSpring 3-stage 20-inch Big Blue Whole House Water Filter with Multi-layer Sediment and Dual CTO Carbon (Black) Block Filters (3-Stage Big Blue, Whole House System)

Eliminate impurities from water using this iSpring water filter. The filter features an NSF-certified coconut shell active carbon filter that provides one year of clean water for a family of four. With a CTO carbon block filter, this machine ensures... ... more

iSpring 3-stage 20-inch Big Blue Whole House Water Filter with Multi-layer Sediment and Dual CTO Carbon (Black) Block Filters (3-Stage Big Blue, Whole House System)

Eliminate impurities from water using this iSpring water filter. The filter features an NSF-certified coconut shell active carbon filter that provides one year of clean water for a family of four. With a CTO carbon block filter, this machine ensures...

Overstock.com

(650,000+)

$373.49

FREE shipping

go to store

Overstock.com

(650,000+)
iSpring WGB22B 2-stage NPT Carbon (Black) 20-inch Big Blue Whole House Water Filter (2-Stage big blue, Whole House System)

iSpring WGB22B 2-stage NPT Carbon (Black) 20-inch Big Blue Whole House Water Filter (2-Stage big blue, Whole House System)

Keep your loved ones healthy with this iSpring Big Blue whole house water filter. Designed for superior dirt holding capacity and finer filtration, this filter removes up to 95 percent of contaminants. Enjoy cool, clear water while the filter removes... ... more

iSpring WGB22B 2-stage NPT Carbon (Black) 20-inch Big Blue Whole House Water Filter (2-Stage big blue, Whole House System)

Keep your loved ones healthy with this iSpring Big Blue whole house water filter. Designed for superior dirt holding capacity and finer filtration, this filter removes up to 95 percent of contaminants. Enjoy cool, clear water while the filter removes...

Overstock.com

(650,000+)

$267.99

FREE shipping

go to store

Overstock.com

(650,000+)
Carbon Filter - Radial Flow GACC - 20 micron, 20" x 4.5"

Carbon Filter - Radial Flow GACC - 20 micron, 20" x 4.5"

Whole House Granular Activated Coconut Shell Carbon Filter 20 micron - 20" x 4.5" Ideal carbon filtration for high flow applications Radial Flow design provides excellent chlorine reduction with minimal pressure drop (<1 psi pressure drop) Removes... ... more

Carbon Filter - Radial Flow GACC - 20 micron, 20" x 4.5"

Whole House Granular Activated Coconut Shell Carbon Filter 20 micron - 20" x 4.5" Ideal carbon filtration for high flow applications Radial Flow design provides excellent chlorine reduction with minimal pressure drop (<1 psi pressure drop) Removes...

Amazon Marketplace

$64.99

FREE shipping

go to store
iSpring FC15BX4 10-Inch Big Blue Whole House Water Filter with 4.5-Inch x 10-Inch CTO Carbon Block, 4-Pack

iSpring FC15BX4 10-Inch Big Blue Whole House Water Filter with 4.5-Inch x 10-Inch CTO Carbon Block, 4-Pack

5 micron 10" x 4.5" CTO Carbon Block Filters Product Highlights - Individually wrapped, packed in 4 pcs per carton - Dimensions: Length = 10", O.D. = 4.5", I.D. = 1 1/8" - Flow rate: 5-7 GPM - Filter life: 20,000 gallons - Operating Temperature:... ... more

iSpring FC15BX4 10-Inch Big Blue Whole House Water Filter with 4.5-Inch x 10-Inch CTO Carbon Block, 4-Pack

5 micron 10" x 4.5" CTO Carbon Block Filters Product Highlights - Individually wrapped, packed in 4 pcs per carton - Dimensions: Length = 10", O.D. = 4.5", I.D. = 1 1/8" - Flow rate: 5-7 GPM - Filter life: 20,000 gallons - Operating Temperature:...

Amazon Marketplace

$89.99

FREE shipping

go to store
1-PACK Of 1 Micron Big Blue 20" x 4.5" Pleated Washable Sediment Water Filter Cartridge by Aquaboon

1-PACK Of 1 Micron Big Blue 20" x 4.5" Pleated Washable Sediment Water Filter Cartridge by Aquaboon

1 OF BIG BLUE WHOLE HOUSE 20 INCH. X 4.5 INCH PLEATED SEDIMENT WATER FILTER CARTRIDGE (1 MICRON) Pleated Sediment Filter Cartridge outperforms wound, spun, melt blown, resin bonded and other "depth" type filter elements because this cartridge is... ... more

1-PACK Of 1 Micron Big Blue 20" x 4.5" Pleated Washable Sediment Water Filter Cartridge by Aquaboon

1 OF BIG BLUE WHOLE HOUSE 20 INCH. X 4.5 INCH PLEATED SEDIMENT WATER FILTER CARTRIDGE (1 MICRON) Pleated Sediment Filter Cartridge outperforms wound, spun, melt blown, resin bonded and other "depth" type filter elements because this cartridge is...

Amazon Marketplace

$19.99

go to store
2-PACK Of 1 Micron Big Blue 20" x 4.5" Pleated Washable Sediment Water Filter Cartridge by Aquaboon

2-PACK Of 1 Micron Big Blue 20" x 4.5" Pleated Washable Sediment Water Filter Cartridge by Aquaboon

2 OF BIG BLUE WHOLE HOUSE 20 INCH. X 4.5 INCH PLEATED SEDIMENT WATER FILTER CARTRIDGE (1 MICRON) Pleated Sediment Filter Cartridge outperforms wound, spun, melt blown, resin bonded and other "depth" type filter elements because this cartridge is... ... more

2-PACK Of 1 Micron Big Blue 20" x 4.5" Pleated Washable Sediment Water Filter Cartridge by Aquaboon

2 OF BIG BLUE WHOLE HOUSE 20 INCH. X 4.5 INCH PLEATED SEDIMENT WATER FILTER CARTRIDGE (1 MICRON) Pleated Sediment Filter Cartridge outperforms wound, spun, melt blown, resin bonded and other "depth" type filter elements because this cartridge is...

Amazon Marketplace

$30.99

go to store
1-PACK Of 5 Micron Big Blue 20" x 4.5" Pleated Washable Sediment Water Filter Cartridge by Aquaboon

1-PACK Of 5 Micron Big Blue 20" x 4.5" Pleated Washable Sediment Water Filter Cartridge by Aquaboon

1 OF BIG BLUE WHOLE HOUSE 20 INCH. X 4.5 INCH PLEATED SEDIMENT WATER FILTER CARTRIDGE (5 MICRON) Pleated Sediment Filter Cartridge outperforms wound, spun, melt blown, resin bonded and other "depth" type filter elements because this cartridge is... ... more

1-PACK Of 5 Micron Big Blue 20" x 4.5" Pleated Washable Sediment Water Filter Cartridge by Aquaboon

1 OF BIG BLUE WHOLE HOUSE 20 INCH. X 4.5 INCH PLEATED SEDIMENT WATER FILTER CARTRIDGE (5 MICRON) Pleated Sediment Filter Cartridge outperforms wound, spun, melt blown, resin bonded and other "depth" type filter elements because this cartridge is...

Amazon Marketplace

$19.99

go to store
Harmsco HB-20-1W 1 Micron Calypso Water Filter, 20 x 4.5-Inch, Blue

Harmsco HB-20-1W 1 Micron Calypso Water Filter, 20 x 4.5-Inch, Blue

The Harmsco HB-20-1W water filter is a 1 micron, highly efficient filter cartridge made of pleated Polyester-PLUS Filter media for low pressure drop, high flow cap. The Harmsco HB-20-1W water filter's pleated design offers up to 50% more surface area... ... more

Harmsco HB-20-1W 1 Micron Calypso Water Filter, 20 x 4.5-Inch, Blue

The Harmsco HB-20-1W water filter is a 1 micron, highly efficient filter cartridge made of pleated Polyester-PLUS Filter media for low pressure drop, high flow cap. The Harmsco HB-20-1W water filter's pleated design offers up to 50% more surface area...

Amazon Marketplace

$51.82

go to store
Hydronix 20" BIG BLUE Carbon Block Cyst Filter - .5 micron

Hydronix 20" BIG BLUE Carbon Block Cyst Filter - .5 micron

Hydronix 20" BIG BLUE Carbon Cyst Block Filter - .5 micronHydronix NSF CB Series Carbon Block Cartridges are manufactured with high purity Coconut Shell activated carbon. Available in a wide range of lengths, diameters, and micron ratings our Liquatec... ... more

Hydronix 20" BIG BLUE Carbon Block Cyst Filter - .5 micron

Hydronix 20" BIG BLUE Carbon Cyst Block Filter - .5 micronHydronix NSF CB Series Carbon Block Cartridges are manufactured with high purity Coconut Shell activated carbon. Available in a wide range of lengths, diameters, and micron ratings our Liquatec...

Amazon Marketplace

$55.35

FREE shipping

go to store
4-PACK Of 5 Micron Big Blue 20" x 4.5" Pleated Washable Sediment Water Filter Cartridge by Aquaboon

4-PACK Of 5 Micron Big Blue 20" x 4.5" Pleated Washable Sediment Water Filter Cartridge by Aquaboon

4 OF BIG BLUE WHOLE HOUSE 20 INCH. X 4.5 INCH PLEATED SEDIMENT WATER FILTER CARTRIDGE (5 MICRON) Pleated Sediment Filter Cartridge outperforms wound, spun, melt blown, resin bonded and other "depth" type filter elements because this cartridge is... ... more

4-PACK Of 5 Micron Big Blue 20" x 4.5" Pleated Washable Sediment Water Filter Cartridge by Aquaboon

4 OF BIG BLUE WHOLE HOUSE 20 INCH. X 4.5 INCH PLEATED SEDIMENT WATER FILTER CARTRIDGE (5 MICRON) Pleated Sediment Filter Cartridge outperforms wound, spun, melt blown, resin bonded and other "depth" type filter elements because this cartridge is...

Amazon Marketplace

$57.99

go to store
2-PACK Of 5 Micron Big Blue 20" x 4.5" Pleated Washable Sediment Water Filter Cartridge by Aquaboon

2-PACK Of 5 Micron Big Blue 20" x 4.5" Pleated Washable Sediment Water Filter Cartridge by Aquaboon

2 OF BIG BLUE WHOLE HOUSE 20 INCH. X 4.5 INCH PLEATED SEDIMENT WATER FILTER CARTRIDGE (5 MICRON) Pleated Sediment Filter Cartridge outperforms wound, spun, melt blown, resin bonded and other "depth" type filter elements because this cartridge is... ... more

2-PACK Of 5 Micron Big Blue 20" x 4.5" Pleated Washable Sediment Water Filter Cartridge by Aquaboon

2 OF BIG BLUE WHOLE HOUSE 20 INCH. X 4.5 INCH PLEATED SEDIMENT WATER FILTER CARTRIDGE (5 MICRON) Pleated Sediment Filter Cartridge outperforms wound, spun, melt blown, resin bonded and other "depth" type filter elements because this cartridge is...

Amazon Marketplace

$30.99

go to store
Watts SF5-20-425, Pentek WP5BB20P, WP5BB20P Compatible String Wound Water Filter Cartridges, 4.5 X 20 Inch, 50 Micron Replacement Water Filters (3) with WS03X10039 O-Ring (1)

Watts SF5-20-425, Pentek WP5BB20P, WP5BB20P Compatible String Wound Water Filter Cartridges, 4.5 X 20 Inch, 50 Micron Replacement Water Filters (3) with WS03X10039 O-Ring (1)

This high quality kit includes (3) KleenWater KW4520SW string wound water filter cartridges and (1) o-ring compatible with Pentair and Pentek "Big Blue" water filters. The cartridges are made in the USA of FDA grade polypropylene and will trap sediment... ... more

Watts SF5-20-425, Pentek WP5BB20P, WP5BB20P Compatible String Wound Water Filter Cartridges, 4.5 X 20 Inch, 50 Micron Replacement Water Filters (3) with WS03X10039 O-Ring (1)

This high quality kit includes (3) KleenWater KW4520SW string wound water filter cartridges and (1) o-ring compatible with Pentair and Pentek "Big Blue" water filters. The cartridges are made in the USA of FDA grade polypropylene and will trap sediment...

Amazon Marketplace

$83.95

FREE shipping

go to store
Watts SF5-20-425, Pentek WP5BB20P, WP5BB20P Compatible String Wound Water Filter Cartridges, 4.5 X 20 Inch, 5 Micron Replacement Water Filters (3) - with WS03X10039 O-Ring (1)

Watts SF5-20-425, Pentek WP5BB20P, WP5BB20P Compatible String Wound Water Filter Cartridges, 4.5 X 20 Inch, 5 Micron Replacement Water Filters (3) - with WS03X10039 O-Ring (1)

This high quality kit includes (3) KleenWater KW4520SW string wound water filter cartridges and (1) o-ring compatible with Pentair and Pentek "Big Blue" water filters. The cartridges are made in the USA of FDA grade polypropylene and will trap sediment... ... more

Watts SF5-20-425, Pentek WP5BB20P, WP5BB20P Compatible String Wound Water Filter Cartridges, 4.5 X 20 Inch, 5 Micron Replacement Water Filters (3) - with WS03X10039 O-Ring (1)

This high quality kit includes (3) KleenWater KW4520SW string wound water filter cartridges and (1) o-ring compatible with Pentair and Pentek "Big Blue" water filters. The cartridges are made in the USA of FDA grade polypropylene and will trap sediment...

Amazon Marketplace

$83.95

FREE shipping

go to store
Aquapure AP817 20 Micron 10 x 4.5 Inch Comparable Whole House Granular Activated Carbon Water Filter

Aquapure AP817 20 Micron 10 x 4.5 Inch Comparable Whole House Granular Activated Carbon Water Filter

The Aqua-Pure AP817 3M Comparable Whole House Carbon Filter by Tier 1 is ideal for 10 x 5-inch point-of-entry whole house water filtration systems. Reduce the chlorine, bad taste and odor, sand, dirt, hard scale, rust and corrosion that disrupt your... ... more

Aquapure AP817 20 Micron 10 x 4.5 Inch Comparable Whole House Granular Activated Carbon Water Filter

The Aqua-Pure AP817 3M Comparable Whole House Carbon Filter by Tier 1 is ideal for 10 x 5-inch point-of-entry whole house water filtration systems. Reduce the chlorine, bad taste and odor, sand, dirt, hard scale, rust and corrosion that disrupt your...

Amazon Marketplace

$19.63

FREE shipping

go to store
LiquaGen - Whole House Big Blue Replacement Water Filters (4.5 x 20 inches) , Pack of 3

LiquaGen - Whole House Big Blue Replacement Water Filters (4.5 x 20 inches) , Pack of 3

The product will be shipped exactly as pictured. 2 LiquaGen Sediment and UDF Carbon Block Filters, and 1 Carbon Filter by PuroFlo or LiquaGen. LiquaGen does not distribute or sell products to any 3rd party sellers on Amazon. This product is sold... ... more

LiquaGen - Whole House Big Blue Replacement Water Filters (4.5 x 20 inches) , Pack of 3

The product will be shipped exactly as pictured. 2 LiquaGen Sediment and UDF Carbon Block Filters, and 1 Carbon Filter by PuroFlo or LiquaGen. LiquaGen does not distribute or sell products to any 3rd party sellers on Amazon. This product is sold...

Amazon Marketplace

$69.99

go to store
iSpring FP25BX10 20" x 4.5" 5-micron Universal Sediment Filter Cartridges, Multi-layer Gradient Design, NSF Certified (10 Pack)

iSpring FP25BX10 20" x 4.5" 5-micron Universal Sediment Filter Cartridges, Multi-layer Gradient Design, NSF Certified (10 Pack)

Generally used as the first stage for 20 inch big blue whole house filtration system, fp25b filter is effective for removing dirt, rust and sand particles down to 5 micron. Depending on inlet water quality or flow rate, it needs to be replaced every 6... ... more

iSpring FP25BX10 20" x 4.5" 5-micron Universal Sediment Filter Cartridges, Multi-layer Gradient Design, NSF Certified (10 Pack)

Generally used as the first stage for 20 inch big blue whole house filtration system, fp25b filter is effective for removing dirt, rust and sand particles down to 5 micron. Depending on inlet water quality or flow rate, it needs to be replaced every 6...

Amazon Marketplace

$120.00

FREE shipping

go to store
Filtrex (FXB20RFL) 20"x4.5" Big Blue RFL Series GAC Radial Flow 20 Micron Filter

Filtrex (FXB20RFL) 20"x4.5" Big Blue RFL Series GAC Radial Flow 20 Micron Filter

Radial flow granular activated carbon filter. ... more

$59.99

go to store
iSpring FP15BX4 10-Inch Big Blue Whole House Water Filter with 4.5-Inch x 10-Inch Sediment, 4-Pack

iSpring FP15BX4 10-Inch Big Blue Whole House Water Filter with 4.5-Inch x 10-Inch Sediment, 4-Pack

5 micron 10"x4.5" Polypropylene Sediment Melt Blown Filters Product Highlights - Individually wrapped, packed in 4 pcs per carton - Dimensions: Length = 10", O.D. = 4.5", I.D. = 1 1/8" - Flow rate: 3 GPM - Filter life: 10,000 gallons - Operating... ... more

iSpring FP15BX4 10-Inch Big Blue Whole House Water Filter with 4.5-Inch x 10-Inch Sediment, 4-Pack

5 micron 10"x4.5" Polypropylene Sediment Melt Blown Filters Product Highlights - Individually wrapped, packed in 4 pcs per carton - Dimensions: Length = 10", O.D. = 4.5", I.D. = 1 1/8" - Flow rate: 3 GPM - Filter life: 10,000 gallons - Operating...

Amazon Marketplace

$45.99

FREE shipping

go to store
20" Big Blue Whole House Water Filter 4.5" x 20" Sediment (Box of 6)

20" Big Blue Whole House Water Filter 4.5" x 20" Sediment (Box of 6)

4 1/2 x 20 inch 5 micron water filter ... more

$53.67

go to store
20" x 4.5", 1 Micron Carbon Block Filter Cartridge Big Blue BB Full Flow

20" x 4.5", 1 Micron Carbon Block Filter Cartridge Big Blue BB Full Flow

Features Class 1 Chlorine, Taste & Odor Reduction Made with Premium Quality Coconut Shell Activated Carbon Fits all Standard 20" Big Blue/Full Flow Filter Housings 18,000 Gallon capacity @ 1 PPM Chlorine Flow rate: 6 GPM Cartridges are individually... ... more

20" x 4.5", 1 Micron Carbon Block Filter Cartridge Big Blue BB Full Flow

Features Class 1 Chlorine, Taste & Odor Reduction Made with Premium Quality Coconut Shell Activated Carbon Fits all Standard 20" Big Blue/Full Flow Filter Housings 18,000 Gallon capacity @ 1 PPM Chlorine Flow rate: 6 GPM Cartridges are individually...

Amazon Marketplace

$47.98

go to store
Hydronix SDC-45-2005 NSF Sediment Filter 4.5" OD X 20" Length, 5 Micron

Hydronix SDC-45-2005 NSF Sediment Filter 4.5" OD X 20" Length, 5 Micron

The Hydronix SDC-45-2005 sediment water filter is a 100% pure polypropylene cartridge. It is a perfect pre-filter for fine filtration--reducing sand, silt, rust and scale. It is a compatible replacement cartridge for many brands of 20-inch Big Blue... ... more

Hydronix SDC-45-2005 NSF Sediment Filter 4.5" OD X 20" Length, 5 Micron

The Hydronix SDC-45-2005 sediment water filter is a 100% pure polypropylene cartridge. It is a perfect pre-filter for fine filtration--reducing sand, silt, rust and scale. It is a compatible replacement cartridge for many brands of 20-inch Big Blue...

Amazon Marketplace

$13.40

go to store
Hydronix SDC-45-1020 NSF Sediment Filter 4.5" OD X 9 7/8" Length, 20 Micron

Hydronix SDC-45-1020 NSF Sediment Filter 4.5" OD X 9 7/8" Length, 20 Micron

The Hydronix SDC-45-1020 sediment water filter is a 100% pure polypropylene cartridge. It is a perfect pre-filter for reducing sand, silt, rust and scale, and is a compatible replacement cartridge for many brands of 10-inch Big Blue sediment filters. ... more

Hydronix SDC-45-1020 NSF Sediment Filter 4.5" OD X 9 7/8" Length, 20 Micron

The Hydronix SDC-45-1020 sediment water filter is a 100% pure polypropylene cartridge. It is a perfect pre-filter for reducing sand, silt, rust and scale, and is a compatible replacement cartridge for many brands of 10-inch Big Blue sediment filters.

Amazon Marketplace

$17.49

FREE shipping

go to store
Catalytic Carbon/KDF-85 20" x 4.5" (Big Blue) Cartridge Filter - GREAT FOR REMOVING HYDROGEN SULFIDE

Catalytic Carbon/KDF-85 20" x 4.5" (Big Blue) Cartridge Filter - GREAT FOR REMOVING HYDROGEN SULFIDE

ready to use 4 1/2 x 20 inch cartridge. sediment filter is in top of filter cartridge, you do not recieve a 2nd filter. ... more

Catalytic Carbon/KDF-85 20" x 4.5" (Big Blue) Cartridge Filter - GREAT FOR REMOVING HYDROGEN SULFIDE

ready to use 4 1/2 x 20 inch cartridge. sediment filter is in top of filter cartridge, you do not recieve a 2nd filter.

Amazon Marketplace

$62.50

go to store
iSpring FM25B 4.5" x 20" Big Blue High Capacity Iron Manganese Reducing Replacement Water Filter

iSpring FM25B 4.5" x 20" Big Blue High Capacity Iron Manganese Reducing Replacement Water Filter

Specs: - dimensions: length = 20", O.D. = 4.5", I.D. = 1 1/8 inch - feed water temperature: 40 - 113 F. - feed water pressure: 20 - 100 psi - pressure impact: up to 5 psi drop at a flow rate of 8 gpm - flow rate: 4 - 8 gpm - filter life: 45,000 gallons... ... more

iSpring FM25B 4.5" x 20" Big Blue High Capacity Iron Manganese Reducing Replacement Water Filter

Specs: - dimensions: length = 20", O.D. = 4.5", I.D. = 1 1/8 inch - feed water temperature: 40 - 113 F. - feed water pressure: 20 - 100 psi - pressure impact: up to 5 psi drop at a flow rate of 8 gpm - flow rate: 4 - 8 gpm - filter life: 45,000 gallons...

Amazon Marketplace

$114.99

FREE shipping

go to store
Big Blue CTO Carbon Block & Sediment 4.5" x 10" Replacement Filter Cartridges

Big Blue CTO Carbon Block & Sediment 4.5" x 10" Replacement Filter Cartridges

2 Big Blue Filters for a Standard Size 10 inch Big Blue Housings.These can used for residential and commercial applications. All our filters individually wrapped for freshness and protection while in shipment. 1 Sediment (5 Micron) 1 Carbon Block (5... ... more

Big Blue CTO Carbon Block & Sediment 4.5" x 10" Replacement Filter Cartridges

2 Big Blue Filters for a Standard Size 10 inch Big Blue Housings.These can used for residential and commercial applications. All our filters individually wrapped for freshness and protection while in shipment. 1 Sediment (5 Micron) 1 Carbon Block (5...

Amazon Marketplace

$27.00

FREE shipping

go to store
4 Big Blue Sediment Water Filters (1 Micron) 4.5" x 10" Whole House Cardridges

4 Big Blue Sediment Water Filters (1 Micron) 4.5" x 10" Whole House Cardridges

4 Big Blue (5 Micron) 4.5"x10" Sediment Filters for a Standard Size 10 inch Big Blue Housings. All our filters are individually wrapped for freshness and protection while in shipment. ... more

4 Big Blue Sediment Water Filters (1 Micron) 4.5" x 10" Whole House Cardridges

4 Big Blue (5 Micron) 4.5"x10" Sediment Filters for a Standard Size 10 inch Big Blue Housings. All our filters are individually wrapped for freshness and protection while in shipment.

Amazon Marketplace

$47.00

FREE shipping

go to store
1-PACK Of 5 Micron Big Blue 10" x 4.5" Pleated Washable Sediment Water Filter by Aquaboon

1-PACK Of 5 Micron Big Blue 10" x 4.5" Pleated Washable Sediment Water Filter by Aquaboon

1 OF BIG BLUE WHOLE HOUSE 10 INCH. X 4.5 INCH PLEATED SEDIMENT WATER FILTER CARTRIDGE (5 MICRON) Pleated Sediment Filter Cartridge outperforms wound, spun, melt blown, resin bonded and other "depth" type filter elements because this cartridge is... ... more

1-PACK Of 5 Micron Big Blue 10" x 4.5" Pleated Washable Sediment Water Filter by Aquaboon

1 OF BIG BLUE WHOLE HOUSE 10 INCH. X 4.5 INCH PLEATED SEDIMENT WATER FILTER CARTRIDGE (5 MICRON) Pleated Sediment Filter Cartridge outperforms wound, spun, melt blown, resin bonded and other "depth" type filter elements because this cartridge is...

Amazon Marketplace

$15.99

go to store
iSpring FC25BX4 20-Inch Big Blue Whole House Water Filter with 4.5-Inch x 20-Inch CTO Carbon Block, 4-Pack

iSpring FC25BX4 20-Inch Big Blue Whole House Water Filter with 4.5-Inch x 20-Inch CTO Carbon Block, 4-Pack

5 micron 20" x 4.5" CTO Carbon Block Filters. Product Highlights - Individually wrapped, packed in 4 pcs per carton - Dimensions: Length = 20", O.D. = 4.5", I.D. = 1 1/8" - Flow rate: 5-7 GPM - Filter life: 20,000 gallons - Operating Temperature:... ... more

iSpring FC25BX4 20-Inch Big Blue Whole House Water Filter with 4.5-Inch x 20-Inch CTO Carbon Block, 4-Pack

5 micron 20" x 4.5" CTO Carbon Block Filters. Product Highlights - Individually wrapped, packed in 4 pcs per carton - Dimensions: Length = 20", O.D. = 4.5", I.D. = 1 1/8" - Flow rate: 5-7 GPM - Filter life: 20,000 gallons - Operating Temperature:...

Amazon.com

$120.15

go to store