Filters-NOW DPE18X20X1=DAE 18x20x1 Aeriale Furnace Filter Pack of - 3

Filters-NOW DPE18X20X1=DAE 18x20x1 Aeriale Furnace Filter Pack of - 3

Aeriale replacement filters. 97% efficient for particles down to 0.3 microns in size. Removes allergens such as pollen, mold spores, dust mite pellets and other contaminants that other filters miss, including bacteria, smoke and other odors. Contains... more

$28.72

go to store
Cleaner Filters 18x20x1 Air Filter, Pleated High Efficiency Allergy Furnace Filters for Home or Office with Merv 8 Rating (Pack of 6), Grey

Cleaner Filters 18x20x1 Air Filter, Pleated High Efficiency Allergy Furnace Filters for Home or Office with Merv 8 Rating (Pack of 6), Grey

Overview of Cleaner Filter Premium Allergy Air Filter, 12x30x1, MERV 8 – 6 Pack The Cleaner Filters Premium Allergy Air Filter, MERV 8, pleated filter removes airborne pollutants from your home so that you can breathe fresh, clean air. Made of... more

$41.00

FREE shipping

go to store
18x20x1 Electrostatic Washable Permanent Air Furnace Filter. Made in USA!

18x20x1 Electrostatic Washable Permanent Air Furnace Filter. Made in USA!

The CFS ES filter uses the natural phenomenon of static electricity to extract airborne contaminants. Just like walking across certain carpets creates a "shock" the woven polypropylene media generates an electrostatic charge as air passes over it.... more

$39.00

FREE shipping

go to store
18X20X1 Fbg Furn Filter, Pack of 12

18X20X1 Fbg Furn Filter, Pack of 12

18" x 20" x 1", EZ Flow II Spun Fiberglass Disposable Furnace Filter, Flat Panel, No Metal Media Retainers, Up To MERV Rating 4, 30 Day Filter, Effective Against Dust/Lint. more

$56.99 $0.74

go to store
Filters-NOW DMG18X20X1 18x20x1 Micropower Guard Air Filter Pack of - 3, As Shown

Filters-NOW DMG18X20X1 18x20x1 Micropower Guard Air Filter Pack of - 3, As Shown

Micro Power Guard replacement filters. 97% efficient for particles down to 0.3 microns in size. Removes allergens such as pollen, mold spores, dust mite pellets and other contaminants that other filters miss, including bacteria, smoke and other odors.... more

$40.91

FREE shipping

go to store
18x20x1 (16.5x17.5 pad) Aftermarket Electrobreeze® Replacement Filter (3 Pack), Grey

18x20x1 (16.5x17.5 pad) Aftermarket Electrobreeze® Replacement Filter (3 Pack), Grey

Electro Breeze replacement filters are 97% efficient for particles down to 0.3 microns in size. They also remove allergens such as pollen, mold spores, dust mite pellets and other contaminants that other filters miss, including bacteria, smoke and... more

$52.45

FREE shipping

go to store
Rotobrush Washable Air Filter - 18x20x1

Rotobrush Washable Air Filter - 18x20x1

Rotobrush Washable Air Filter more

$79.95 $39.97

FREE shipping

go to store
Flanders Air Purifier Electrostatic Furnace Filter (50855011620)

Flanders Air Purifier Electrostatic Furnace Filter (50855011620)

Dimensions 19.6 X 15.6 X 0.9 Inches - Weight 1.2 Pounds - The Naturalaire Electrostatic Is A Fast, Easy And Economical Upgrade From Ordinary Disposable Filters - Wash This Unique Filter Out Just Once A Month, Let It Dry And Re-Install more

$22

compare prices
Flanders Air Purifier Natural Aire Standard Pleat Air Filter (84858011212)

Flanders Air Purifier Natural Aire Standard Pleat Air Filter (84858011212)

Dimensions 12 X 1 X 12 Inches - Weight 3 Pounds - Natural Aire Micro Particle Pleated Furnace Filter - Electrostatically Charged - 100% Synthetic Wire Backed Media - Clay Coated Frame - Merv Rating 10 - 90 Day Filter more

$45

compare prices
Flanders 85156.012525 Pleated Microparticle Red Furnace Filter, 25x25x1-In., Must Purchase in Quantities o - Quantity 12 (Pack of 12), As Shown

Flanders 85156.012525 Pleated Microparticle Red Furnace Filter, 25x25x1-In., Must Purchase in Quantities o - Quantity 12 (Pack of 12), As Shown

25 x 25in x 1in, NaturalAire Micro Particle Pleated Furnace Filter, Electrostatically Charged, 100% Synthetic Wire Backed Media, Clay Coated Frame, MERV Rating 10, 90 Day Filter, Effective Against Pollen, Dust/Lint, Dust Mites, Pet Dander, Mold,... more

$92.84

FREE shipping

go to store
Flanders Air Purifier Pleated Filter (81555011616)

Flanders Air Purifier Pleated Filter (81555011616)

Dimensions 16 X 11 X 1 Inches - Weight 7 Ounces - Pinched Frame With Wirebacked Media - Merv Rating 6 - 90 Day Filter - Effective Against Pollen, Pet Dander, Mold, Dust Lint more

$39

compare prices
Flanders 81555.011620 Pinch-Pleated Furnace Filter, 16x20x1-In., Must Purchase in Quantities of 12 - Quantity 12 (Pack of 12), As Shown

Flanders 81555.011620 Pinch-Pleated Furnace Filter, 16x20x1-In., Must Purchase in Quantities of 12 - Quantity 12 (Pack of 12), As Shown

16 x 20in x 1in, Basic Pleated Air Filter, Kraft Frame With Wirebacked Media, MERV Rating 6, 60 Day Filter, Effective Against Pollen, Pet Dander, Mold, Dust/Lint. Color: As Shown. more

$35.50

FREE shipping

go to store
Flanders Air Purifier Furnace Air Filter (80055021625)

Flanders Air Purifier Furnace Air Filter (80055021625)

Dimensions 25.1 X 16 X 22.5 Inches - Weight 13.2 Pounds - This Is A Rugged, Industrial Grade Disposable Pleated Air Filter - It Features A Synthetic Fiber Filtering Medium That Is Laminated To An Expanded Metal Backing. more

$58

compare prices
Flanders Air Purifier Pleated Air Filter (81555011624)

Flanders Air Purifier Pleated Air Filter (81555011624)

Dimensions 26 X 11 X 16 Inches - Weight 8.8 Ounces - Pinched Frame With Wire Backed Media - MERV Rating 6 - 60 Day Filter - Effective Against Pollen, Pet Dander, Mold, Dust Lint more

$40

compare prices
Flanders Air Purifier  Natural Standard Pleat Filter (84858011420)

Flanders Air Purifier Natural Standard Pleat Filter (84858011420)

Dimensions 14 X 1 X 20 Inches - Weight 4.8 Pounds - Naturalaire Micro Particle - Electrostatically Charged Filter Not Only Protects Your Hvac System - It Provides Superior Filtration Against Many Common Household Contaminants Such As Dust Mites more

$39

compare prices
Flanders Air Purifier Fiberglass Furnace Filter (10055012430)

Flanders Air Purifier Fiberglass Furnace Filter (10055012430)

Dimensions 30.9 X 11 X 24.9 Inches - Weight 7.2 Pounds - Filtering Medium Is Continuous Filament Spun Glass - Frame One Continuous Piece Of Chipboard To Guard Against Corner Separation - Designed For Peak Equipment Protection And Energy Efficiency more

$28

compare prices
Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

The Filtrete Allergen Reduction Plus Odor Reduction air filter is the most effective 1" filter at removing odors in the home. Using unique 3M technology with activated carbon, odors are absorbed into the filter.Filter size: 18x20x1 more

$13.88

go to store
Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

The Filtrete Allergen Reduction Plus Odor Reduction air filter is the most effective 1" filter at removing odors in the home. Using unique 3M technology with activated carbon, odors are absorbed into the filter.Filter size: 18x20x1 more

$19.38 $13.88

go to store
Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

The Filtrete Allergen Reduction Plus Odor Reduction air filter is the most effective 1" filter at removing odors in the home. Using unique 3M technology with activated carbon, odors are absorbed into the filter.Filter size: 18x20x1 more

$13.88 $11.37

go to store
Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

The Filtrete Allergen Reduction Plus Odor Reduction air filter is the most effective 1" filter at removing odors in the home. Using unique 3M technology with activated carbon, odors are absorbed into the filter.Filter size: 18x20x1 more

$13.88 $11.96

go to store
Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

The Filtrete Allergen Reduction Plus Odor Reduction air filter is the most effective 1" filter at removing odors in the home. Using unique 3M technology with activated carbon, odors are absorbed into the filter.Filter size: 18x20x1 more

$13.88 $11.99

go to store
Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

The Filtrete Allergen Reduction Plus Odor Reduction air filter is the most effective 1" filter at removing odors in the home. Using unique 3M technology with activated carbon, odors are absorbed into the filter.Filter size: 18x20x1 more

$13.88 $11.62

go to store
Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

The Filtrete Allergen Reduction Plus Odor Reduction air filter is the most effective 1" filter at removing odors in the home. Using unique 3M technology with activated carbon, odors are absorbed into the filter.Filter size: 18x20x1 more

$13.88 $11.86

go to store
Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

The Filtrete Allergen Reduction Plus Odor Reduction air filter is the most effective 1" filter at removing odors in the home. Using unique 3M technology with activated carbon, odors are absorbed into the filter.Filter size: 18x20x1 more

$13.88 $12.04

go to store
Filtrete 1200 Allergen Reduction Plus Odor Reduction Furnace Filter, 20 x 30 x 1

Filtrete 1200 Allergen Reduction Plus Odor Reduction Furnace Filter, 20 x 30 x 1

The Filtrete Allergen Reduction Plus Odor Reduction air filter is the most effective 1" filter at removing odors in the home. Using unique 3M technology with activated carbon, odors are absorbed into the filter.Filter size: 18x20x1 more

$19.38 $13.88

go to store
Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

The Filtrete Allergen Reduction Plus Odor Reduction air filter is the most effective 1" filter at removing odors in the home. Using unique 3M technology with activated carbon, odors are absorbed into the filter.Filter size: 18x20x1 more

$13.88 $11.52

go to store
Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

The Filtrete Allergen Reduction Plus Odor Reduction air filter is the most effective 1" filter at removing odors in the home. Using unique 3M technology with activated carbon, odors are absorbed into the filter.Filter size: 18x20x1 more

$13.88 $12.00

go to store
Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

The Filtrete Allergen Reduction Plus Odor Reduction air filter is the most effective 1" filter at removing odors in the home. Using unique 3M technology with activated carbon, odors are absorbed into the filter.Filter size: 18x20x1 more

$19.38 $13.88

go to store
Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

The Filtrete Allergen Reduction Plus Odor Reduction air filter is the most effective 1" filter at removing odors in the home. Using unique 3M technology with activated carbon, odors are absorbed into the filter.Filter size: 18x20x1 more

$13.88 $11.57

go to store
Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

The Filtrete Allergen Reduction Plus Odor Reduction air filter is the most effective 1" filter at removing odors in the home. Using unique 3M technology with activated carbon, odors are absorbed into the filter.Filter size: 18x20x1 more

$19.38 $13.88

go to store
Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

The Filtrete Allergen Reduction Plus Odor Reduction air filter is the most effective 1" filter at removing odors in the home. Using unique 3M technology with activated carbon, odors are absorbed into the filter.Filter size: 18x20x1 more

$13.88 $12.05

go to store
Filtrete 1200 Allergen Reduction Plus Odor Reduction Furnace Filter, 16 x 20 x 1

Filtrete 1200 Allergen Reduction Plus Odor Reduction Furnace Filter, 16 x 20 x 1

The Filtrete Allergen Reduction Plus Odor Reduction air filter is the most effective 1" filter at removing odors in the home. Using unique 3M technology with activated carbon, odors are absorbed into the filter.Filter size: 18x20x1 more

$13.88

go to store
Filtrete 1200 Allergen Reduction Plus Odor Reduction Furnace Filter, 14 x 24 x 1

Filtrete 1200 Allergen Reduction Plus Odor Reduction Furnace Filter, 14 x 24 x 1

The Filtrete Allergen Reduction Plus Odor Reduction air filter is the most effective 1" filter at removing odors in the home. Using unique 3M technology with activated carbon, odors are absorbed into the filter.Filter size: 18x20x1 more

$19.38 $13.88

go to store
Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

The Filtrete Allergen Reduction Plus Odor Reduction air filter is the most effective 1" filter at removing odors in the home. Using unique 3M technology with activated carbon, odors are absorbed into the filter.Filter size: 18x20x1 more

$19.38 $13.88

go to store
Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

The Filtrete Allergen Reduction Plus Odor Reduction air filter is the most effective 1" filter at removing odors in the home. Using unique 3M technology with activated carbon, odors are absorbed into the filter.Filter size: 18x20x1 more

$13.88 $12.00

go to store
Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

The Filtrete Allergen Reduction Plus Odor Reduction air filter is the most effective 1" filter at removing odors in the home. Using unique 3M technology with activated carbon, odors are absorbed into the filter.Filter size: 18x20x1 more

$13.88 $11.94

go to store
Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

The Filtrete Allergen Reduction Plus Odor Reduction air filter is the most effective 1" filter at removing odors in the home. Using unique 3M technology with activated carbon, odors are absorbed into the filter.Filter size: 18x20x1 more

$13.88 $10.75

go to store
Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

The Filtrete Allergen Reduction Plus Odor Reduction air filter is the most effective 1" filter at removing odors in the home. Using unique 3M technology with activated carbon, odors are absorbed into the filter.Filter size: 18x20x1 more

$13.88 $11.48

go to store
Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

The Filtrete Allergen Reduction Plus Odor Reduction air filter is the most effective 1" filter at removing odors in the home. Using unique 3M technology with activated carbon, odors are absorbed into the filter.Filter size: 18x20x1 more

$13.88

go to store
Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

Filtrete Allergen Plus Odor Reduction Air and Furnace Filter, Available in Multiple Sizes, 1pk

The Filtrete Allergen Reduction Plus Odor Reduction air filter is the most effective 1" filter at removing odors in the home. Using unique 3M technology with activated carbon, odors are absorbed into the filter.Filter size: 18x20x1 more

$13.88

go to store

More information about Air Purifier Accessories

Best prices on Furnace filters 18x20x1 in Air Purifier Accessories. Check out Bizrate for great deals on popular brands like 3M, Aprilaire and flanders. Use Bizrate's latest online shopping features to compare prices. Read product specifications, calculate tax and shipping charges, sort your results, and buy with confidence. Easily narrow your search and find the product that's perfect for you.