Best Seller
CASCADE FILTER REPLACEMENT CARTRIDGES Fits CPF5 Filter 3/Pk

CASCADE FILTER REPLACEMENT CARTRIDGES Fits CPF5 Filter 3/Pk

CASCADE FILTER REPLACEMENT CARTRIDGES Fits CPF5 Filter 3/Pk more

$46.01 $11.67

go to store
Penn Plax Sponge Bob Kit with filter, 1.5 gal., 2.5 LB

Penn Plax Sponge Bob Kit with filter, 1.5 gal., 2.5 LB

SpongeBob's Krabby Patty Betta Kit! This plastic tank with lid comes with a fun top decor, background and stickers! This also includes an internal filter. more

$29.99 $27.99

go to store
Best Seller
Penn Plax Classic Disney Kit with filter, 1.5 gal., 2.5 LB

Penn Plax Classic Disney Kit with filter, 1.5 gal., 2.5 LB

Let your fish swim in the sea with Mickey! This plastic tank comes with a lid, fun Mickey background and Stickers! Also included is an internal filter. more

$29.99 $27.99

go to store
Penn-Plax Reptology Internal Aquarium Filter 175 with 2 Disposable Filter Cartridges

Penn-Plax Reptology Internal Aquarium Filter 175 with 2 Disposable Filter Cartridges

Penn-Plax Reptology Internal Filter 175, and Reptology Disposable Carbon Filter Cartridge 175 2 ct Carded Pack more

$47.38

FREE shipping

go to store
Penn-Plax Reptology Life Science Aquarium Internal Filter 70 with 2 Replacement Bio-Sponges

Penn-Plax Reptology Life Science Aquarium Internal Filter 70 with 2 Replacement Bio-Sponges

Penn-Plax Reptology Life Science Internal Filter 70, and Penn-Plax Reptology Life Science Replacement Bio-Sponge 70, 2.0 CT more

$25.42

FREE shipping

go to store
Penn Plax Reptology 3.25 in. Internal Filter Replacement Bio-sponge

Penn Plax Reptology 3.25 in. Internal Filter Replacement Bio-sponge

Penn-Plax is a family-owned company in operation since 1959. They specialize in creating excellent pet supplies for animals both great and small. Best known for producing pet products at affordable prices, the Penn-Plax brand is synonymous with... more

$8.19

go to store
Penn Plax Reptology 9.25 in. Internal Filter Replacement Cartridges

Penn Plax Reptology 9.25 in. Internal Filter Replacement Cartridges

Penn-Plax is a family-owned company in operation since 1959. They specialize in creating excellent pet supplies for animals both great and small. Best known for producing pet products at affordable prices, the Penn-Plax brand is synonymous with... more

$9.88

go to store
Penn Plax Reptology 4.25 in. Internal Filter Replacement Cartridges

Penn Plax Reptology 4.25 in. Internal Filter Replacement Cartridges

Penn-Plax is a family-owned company in operation since 1959. They specialize in creating excellent pet supplies for animals both great and small. Best known for producing pet products at affordable prices, the Penn-Plax brand is synonymous with... more

$10.93

go to store
Penn Plax Reptology 3.25 in. Internal Filter Replacement Bio-sponge - REP46

Penn Plax Reptology 3.25 in. Internal Filter Replacement Bio-sponge - REP46

Helps to keep your reptile's habitat clean. Replacement bio-sponge for the REP45 filter. Per package includes 4 sponges. Dimensions: 3.25L x 1.5W x 3.25H inches. more

$14.18

go to store
Penn Plax Reptology 3.25 in. Internal Filter Replacement Bio-sponge - REP46

Penn Plax Reptology 3.25 in. Internal Filter Replacement Bio-sponge - REP46

Helps to keep your reptile's habitat clean. Replacement bio-sponge for the REP45 filter. Per package includes 4 sponges. Dimensions: 3.25L x 1.5W x 3.25H inches. more

$14.18

go to store
Penn Plax Reptology 4.25 in. Internal Filter Replacement Cartridges - REP71

Penn Plax Reptology 4.25 in. Internal Filter Replacement Cartridges - REP71

Helps to keep your reptile's habitat clean. Replacement bio-sponge for the REP70 filter. Per package includes 2 sponges. Dimensions: 4.25L x 1.75W x 4.25H inches. more

$19.14

go to store
Penn-Plax Filt-a-Carb "E" Carbon Undergravel Filter Cartridge, 6-Pack, These Penn-Plax Filt-a-Carb E Carbon Undergravel Filter Cartridges fit the Penn-Plax.., By FiltaCarb

Penn-Plax Filt-a-Carb "E" Carbon Undergravel Filter Cartridge, 6-Pack, These Penn-Plax Filt-a-Carb E Carbon Undergravel Filter Cartridges fit the Penn-Plax.., By FiltaCarb

These Penn-Plax Filt-a-Carb "E" Carbon Undergravel Filter Cartridges fit the Penn-Plax Premium Undergravel Filters. For best results the Cartridge should be replaced every two to four weeks. 6-Pack (three 2-Packs). Top quality activated carbon. Removes... more

$15.99

FREE shipping

go to store
Penn-Plax MMK115 Classic Disney Kit with Filter, 1.5 gal, Multi Color - 2.5 lbs

Penn-Plax MMK115 Classic Disney Kit with Filter, 1.5 gal, Multi Color - 2.5 lbs

FeaturesThe small size lends itself to small and few fishA cover, colorful background, fun stickers, and an internal filterThe tank is perfectly sized for a small fish, like a bettaJoin Mickey on his underwater adventure and learn all about what it... more

$34.39 $26.35

go to store
Penn Plax The Bubbler Aquarium Bottom Filter Aquarium Bottom Filter - Pack of 3

Penn Plax The Bubbler Aquarium Bottom Filter Aquarium Bottom Filter - Pack of 3

Box Bubbler filter is fit for up to 10 gallon tanks.Filter is easy to set up.Bubbler filter is designed with a ½” lift tube for greater efficiency and filtration power.This is an offering for multi quantity bundle - 3 count more

$26.01

FREE shipping

go to store
Penn Plax Smallworld Water Filter Filter with Holder - Pack of 3

Penn Plax Smallworld Water Filter Filter with Holder - Pack of 3

Helps keep your small aquarium healthy and looking beautifulSpecifically designed for small aquariums up to 5 gallonsFits almost any small aquarium shape or size and is compatible with any air pumpThis is an offering for multi quantity bundle - 3 count more

$31.91

FREE shipping

go to store
Penn Plax Clear Free Disposable Filter Cartridges 2 Pack - Pack of 3

Penn Plax Clear Free Disposable Filter Cartridges 2 Pack - Pack of 3

Disposable cartridges with foam/floss, carbon, and zeolites produce clean, healthy water.Quick and easy to change.Regularly change filters for consistant water clarity and aquarium health.This is an offering for multi quantity bundle - 3 count more

$24.46

FREE shipping

go to store
12-Pack Cascade Filter Replacement Cartridges for 80 Hang-On Power Filters, Convenient 12 pack of Cartridges By Penn Plax

12-Pack Cascade Filter Replacement Cartridges for 80 Hang-On Power Filters, Convenient 12 pack of Cartridges By Penn Plax

New and great.From USA Cascade filter replacement cartridges from Penn-Plax work to keep your aquarium water clean & clear. Each pack contains 3 disposable filters specially designed to fit your Cascade 80 hang-on power filter. Each cartridge uses a... more

$46.79

FREE shipping

go to store
CASCADE FILTER REPLACEMENT CARTRIDGES Fits CPF6 Filter 3/Pk

CASCADE FILTER REPLACEMENT CARTRIDGES Fits CPF6 Filter 3/Pk

CASCADE FILTER REPLACEMENT CARTRIDGES Fits CPF6 Filter 3/Pk more

$24.77 $5.99

FREE shipping

go to store
Penn Plax Reptology Internal Filter

Penn Plax Reptology Internal Filter

Penn-Plax is a family-owned company in operation since 1959. They specialize in creating excellent pet supplies for animals both great and small. Best known for producing pet products at affordable prices, the Penn-Plax brand is synonymous with... more

$33.33

go to store
Penn Plax Reptology 6.5 in. Internal Filter Replacement Cartridges

Penn Plax Reptology 6.5 in. Internal Filter Replacement Cartridges

Penn-Plax is a family-owned company in operation since 1959. They specialize in creating excellent pet supplies for animals both great and small. Best known for producing pet products at affordable prices, the Penn-Plax brand is synonymous with... more

$9.19

go to store
Penn Plax Reptology 6.75 in. Internal Filter Replacement Cartridges, As Shown

Penn Plax Reptology 6.75 in. Internal Filter Replacement Cartridges, As Shown

Penn-Plax is a family-owned company in operation since 1959. They specialize in creating excellent pet supplies for animals both great and small. Best known for producing pet products at affordable prices, the Penn-Plax brand is synonymous with... more

$16.96

go to store
Penn Plax Reptology 9.25 in. Internal Filter Replacement Cartridges - REP177

Penn Plax Reptology 9.25 in. Internal Filter Replacement Cartridges - REP177

Helps keep your reptile's habitat clean. Includes 2 cartridges per package. 175.2 GPM internal filter cartridges. Dimensions: 4.5L x2W x 9.25H inches. more

$15.87

go to store
Penn Plax Reptology 4.25 in. Internal Filter Replacement Cartridges - REP71

Penn Plax Reptology 4.25 in. Internal Filter Replacement Cartridges - REP71

Helps to keep your reptile's habitat clean. Replacement bio-sponge for the REP70 filter. Per package includes 2 sponges. Dimensions: 4.25L x 1.75W x 4.25H inches. more

$19.14

go to store
Penn Plax Reptology 9.25 in. Internal Filter Replacement Cartridges - REP177

Penn Plax Reptology 9.25 in. Internal Filter Replacement Cartridges - REP177

Helps keep your reptile's habitat clean. Includes 2 cartridges per package. 175.2 GPM internal filter cartridges. Dimensions: 4.5L x2W x 9.25H inches. more

$15.87

go to store
Penn Plax Reptology Internal Filter - REP175

Penn Plax Reptology Internal Filter - REP175

Provides mechanical and biological filtration. Can be used vertically or horizontally. Provides crystal clear water for turtle tanks and terrariums. Includes 6 airline tubing and air filter for aeration. Available in a variety of sizes. Size:... more

$38.00

go to store
Penn Plax Reptology 6.5 in. Internal Filter Replacement Cartridges - REP176

Penn Plax Reptology 6.5 in. Internal Filter Replacement Cartridges - REP176

Helps keep your reptile's habitat clean. Replacement bio-sponge for the REP175 filter. Dimensions: 3L x 2.5W x 6.5H inches. more

$8.89

go to store
Penn Plax Reptology 6.75 in. Internal Filter Replacement Cartridges - REP72

Penn Plax Reptology 6.75 in. Internal Filter Replacement Cartridges - REP72

Helps keep your reptile's habitat clean. Includes 2 cartridges per package. 70 GPM internal filter cartridges. Dimensions: 3.25L x 1W x 6.75H inches. more

$16.27

go to store
Penn Plax Reptology 6.75 in. Internal Filter Replacement Cartridges - REP72

Penn Plax Reptology 6.75 in. Internal Filter Replacement Cartridges - REP72

Helps keep your reptile's habitat clean. Includes 2 cartridges per package. 70 GPM internal filter cartridges. Dimensions: 3.25L x 1W x 6.75H inches. more

$16.27

go to store
Penn Plax Reptology 6.5 in. Internal Filter Replacement Cartridges - REP176

Penn Plax Reptology 6.5 in. Internal Filter Replacement Cartridges - REP176

Helps keep your reptile's habitat clean. Replacement bio-sponge for the REP175 filter. Dimensions: 3L x 2.5W x 6.5H inches. more

$8.89

go to store
Penn Plax Reptology Internal Filter - REP175

Penn Plax Reptology Internal Filter - REP175

Provides mechanical and biological filtration. Can be used vertically or horizontally. Provides crystal clear water for turtle tanks and terrariums. Includes 6 airline tubing and air filter for aeration. Available in a variety of sizes. Size: Large. more

$38.00

go to store
Penn Plax Filter Brush Kit - Set of 3 - FB3

Penn Plax Filter Brush Kit - Set of 3 - FB3

Made of high-quality material. Kit includes 3 brushes. Works great on any filter. Compact and easy-to-use. Great for removing algae from filter intake stem. Three brushes allow for a complete clean. The Penn Plax Filter Brush Kit - Set of 3 includes... more

$9.90

go to store
Penn Plax Filter Brush Kit - Set of 3 - FB3

Penn Plax Filter Brush Kit - Set of 3 - FB3

Made of high-quality material. Kit includes 3 brushes. Works great on any filter. Compact and easy-to-use. Great for removing algae from filter intake stem. Three brushes allow for a complete clean. The Penn Plax Filter Brush Kit - Set of 3 includes... more

$9.90

go to store

More information about Fish Supplies

Best prices on Penn plax reptology 3 25, Filters in Fish Supplies online. Visit Bizrate to find the best deals on top brands. Read reviews on Pet Supplies merchants and buy with confidence.