20x20x1 air filters

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Heating, Cooling & Ventilation Type

Furnaces/Heaters

Dehumidifiers

Replacement Filters

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20x20x1 Boair 5-stage Electrostatic Air Filters

$79.99

$3.20 Cashback

Sears

20x20x1 Boair 5-stage Electrostatic Air Filters

0 reviews

$79.99

$3.20 Cashback

Replace your 20x20x1 disposable fiberglass filter with a permanent, washable BoAir electrostatic filter.

Sears

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20x20x1 Electrostatic Air Furnace Filter

$59.99

$2.40 Cashback

Sears

20x20x1 Electrostatic Air Furnace Filter

0 reviews

$59.99

$2.40 Cashback

Replace your 20x20x1 disposable air filter with an electrostatic furnace filter. They're washable, permanent and trap ten times more dust than throwaway filters. Save time, save money, save the environment.

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3M 11024PK FILTER,AIR,20X20X1

$88.63Sale $68.18

$5.45 Cashback

UnbeatableSale.com

3M 11024PK FILTER,AIR,20X20X1

0 reviews

$88.63Sale $68.18

$5.45 Cashback

Electrostatically charged fibers attract and capture airborne allergens. Works on pollen mold spores and dust mite debris. Also effective against smoke pet dander household dust smog and candle soot. 1200 microparticle reduction rating. Lasts up to...

UnbeatableSale.com

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Flanders Ez Flow Precisionaire 20x20x1 (12 Air Fi...

$29.44

$1.18 Cashback

Sears

Flanders Ez Flow Precisionaire 20x20x1 (12 Air Filters)

0 reviews

$29.44

$1.18 Cashback

The EZ Flow air filter features a metal media retainer on the downstream side and the frame is made from heavy chipboard in a one-piece design that eliminates corner separation. Actual size: 19-5/8 x 19-5/8 x 3/4, Supported by one punched metal plate...

Sears

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20x20x1 Merv 12 Furnace Ac & Furnace Air Filters ...

$60.90

$2.44 Cashback

Sears

20x20x1 Merv 12 Furnace Ac & Furnace Air Filters - Box Of 6

0 reviews

$60.90

$2.44 Cashback

20x20x1 MERV 12 Furnace AC & Furnace Air Filters - Box of 6

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20x20x1 Merv 13 Ac & Furnace Air Filters - Box Of 6

$88.73

$3.55 Cashback

Sears

20x20x1 Merv 13 Ac & Furnace Air Filters - Box Of 6

0 reviews

$88.73

$3.55 Cashback

20x20x1 MERV 13 AC & Furnace Air Filters - Box of 6

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20x20x1 Merv 8 Ac & Furnace Air Filters - Box Of 6

$53.85

$2.15 Cashback

Sears

20x20x1 Merv 8 Ac & Furnace Air Filters - Box Of 6

0 reviews

$53.85

$2.15 Cashback

20x20x1 MERV 8 AC & Furnace Air Filters - Box of 6

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20x20x1 Merv 7 Ac & Furnace Air Filters - Box Of 6

$53.03

$2.12 Cashback

Sears

20x20x1 Merv 7 Ac & Furnace Air Filters - Box Of 6

0 reviews

$53.03

$2.12 Cashback

20x20x1 MERV 7 AC & Furnace Air Filters - Box of 6

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20x20x1 Standard Capacity Merv 8 Pleated Air Filt...

$38.94

$1.56 Cashback

Sears

20x20x1 Standard Capacity Merv 8 Pleated Air Filter (case Of 6)

0 reviews

$38.94

$1.56 Cashback

Actual Size: 19-1/2" x 19-1/2" x 3/4" The Standard Capacity MERV 8 Pleated Air Filter captures airborne particles as small as 5 microns. Some particle types captured are pet dander, mold spores, ragweed pollen, and dust mite debris.

Sears

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220-700-051 20X20X1 AIR FILTER per 12 EA

$15.40

$0.62 Cashback

SpectrumSuperStore.com

220-700-051 20X20X1 AIR FILTER per 12 EA

0 reviews

$15.40

$0.62 Cashback

STRATA-DENSITY PREMIUM FIBERGLASS AIR FILTER Protects furnaces & air conditioning systems Particle-catching adhesive applied to media Greater dust-holding capacity Lasts up to 30 days Rated Merv 4 220-700-051 20X20X1 AIR FILTE...

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20x20x1 BoAir Aluminum Electrostatic Furnace Filter

$75.00

$2.25 Cashback

Buy.com

20x20x1 BoAir Aluminum Electrostatic Furnace Filter

0 reviews

$75.00

$2.25 Cashback

BoAir 5-Stage Permanent, Washable Electrostatic furnace or A/C filter. Lifetime warranty. (20x20x1 filter actually measues exactly 19-5/8 x 19-5/8 x 7/8.) BoAir is considered the best electrostatic filter on the market with high dust arrestanc...

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Smart Filter OB20201 NA OdorBan Merv 8 OdorBan 20...

$73.80Sale $71.59

$1.43 Cashback

ImprovementDirect

Smart Filter OB20201 NA OdorBan Merv 8 OdorBan 20x20x1 Air Filter (Package of 12)

0 reviews

$73.80Sale $71.59

$1.43 Cashback

ImprovementDirect

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Allergy Zone Filters 4 Pack

$64.00

$3.20 Cashback

R.E. Williams Contractor Inc.

Allergy Zone Filters 4 Pack

0 reviews

$64.00

$3.20 Cashback

Have your allergies been really bad inside your house? Your furnace may be the culprit. The air inside your house can have up to 5 times more allergens than the outside air. If the air in your house is not being properly filtered, those allergens...

R.E. Williams Contractor Inc.

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Allergy Zone Filters 12 Pack

$165.00

$8.25 Cashback

R.E. Williams Contractor Inc.

Allergy Zone Filters 12 Pack

0 reviews

$165.00

$8.25 Cashback

Did you know that the air inside your home can be up to five times more polluted than the outside air? Without the proper indoor air filtration, your home could be a ticking time bomb for allergy explosions. What can you do? Start cleaning your air...

R.E. Williams Contractor Inc.

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Price Drop Alertclose x	Add to eGiftclose x eGifts are the "gift of choice"! An email delivers this gift in seconds to your recipient and lets them choose any applicable product options such as size or color themselves. You can also send a personalized set of gift choices and let them choose which item they want. It's a unique and fun way to send a gift that shows you care.
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20x20x1 Standard Capacity MERV 11 Pleated Air Fil...

$51.00

$1.53 Cashback

Buy.com

20x20x1 Standard Capacity MERV 11 Pleated Air Filter (Case of 6)

0 reviews

$51.00

$1.53 Cashback

The Standard Capacity MERV 11 Pleated Air Filter captures airborne particles as small as 1 microns. Some particle types captured are pet dander, mold spores, ragweed pollen, and dust mite debris, microscopic allergens, odor, tree pollen, grass pollen...

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20x20x1 Standard Capacity MERV 8 Pleated Air Filt...

$38.94

$1.17 Cashback

Buy.com

20x20x1 Standard Capacity MERV 8 Pleated Air Filter (Case of 6)

0 reviews

$38.94

$1.17 Cashback

The Standard Capacity MERV 8 Pleated Air Filter captures airborne particles as small as 5 microns. Some particle types captured are pet dander, mold spores, ragweed pollen, and dust mite debris.

Buy.com

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20x20x1 Standard Capacity MERV 13 Pleated Air Fil...

$78.00

$2.34 Cashback

Buy.com

20x20x1 Standard Capacity MERV 13 Pleated Air Filter (Case of 6)

0 reviews

$78.00

$2.34 Cashback

The Standard Capacity MERV 13 filters are 80% efficient at removing 1 micron (0.0000393 ) particles and meet the Green Building Council LEED (Leadership in Energy and Environmental Design) standards and will capture airborne particles as small a...

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20x20x1 Standard Capacity MERV 8 Pleated Air Filt...

$71.88

$2.16 Cashback

Buy.com

20x20x1 Standard Capacity MERV 8 Pleated Air Filter (Case of 12)

0 reviews

$71.88

$2.16 Cashback

The Standard Capacity MERV 8 Pleated Air Filter captures airborne particles as small as 5 microns. Some particle types captured are pet dander, mold spores, ragweed pollen, and dust mite debris.

Buy.com

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AllergyZone XL1500 Furnace Filter 20x20x1 per 4-pack

$50.00

$2.00 Cashback

SpectrumSuperStore.com

AllergyZone XL1500 Furnace Filter 20x20x1 per 4-pack

0 reviews

$50.00

$2.00 Cashback

AllergyZone XL1500 Furnace Filter 20x20x1 (4-pack)AllergyZone's unique, patented design traps over 90% of allergy-causing agents, removing them from the air circulating in your home. The AllergyZone XL1500 Ultra is a disposable high efficiency pleated...

SpectrumSuperStore.com

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AllergyZone XL1500 Furnace Filter 20x20x1 per 10-...

$125.00

$5.00 Cashback

SpectrumSuperStore.com

AllergyZone XL1500 Furnace Filter 20x20x1 per 10-pack

0 reviews

$125.00

$5.00 Cashback

AllergyZone XL1500 Furnace Filter 20x20x1 (10-pack)AllergyZone's unique, patented design traps over 90% of allergy-causing agents, removing them from the air circulating in your home. The AllergyZone XL1500 Ultra is a disposable high efficiency...

SpectrumSuperStore.com

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Price Drop Alertclose x	Add to eGiftclose x eGifts are the "gift of choice"! An email delivers this gift in seconds to your recipient and lets them choose any applicable product options such as size or color themselves. You can also send a personalized set of gift choices and let them choose which item they want. It's a unique and fun way to send a gift that shows you care.
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222-700-051 20X20X1 PLTD FLTR per 12 EA

$45.96

$1.84 Cashback

SpectrumSuperStore.com

222-700-051 20X20X1 PLTD FLTR per 12 EA

0 reviews

$45.96

$1.84 Cashback

DUST SHIELD PLEATED AIR FILTER 15X more efficient than fiberglass disposable Easy to install & lasts up to 90 days Filters pollen, household dust & dust mites Also mold spores, pet allergens & fungi Self-supporting duraflex media Maintains shape...

SpectrumSuperStore.com

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Nordic Pure 20x24x1m12-6 Replacement-furnace-filters

$110.58

$4.42 Cashback

Sears

Nordic Pure 20x24x1m12-6 Replacement-furnace-filters

0 reviews

$110.58

$4.42 Cashback

20x20x1 MERV 12 Pleated Air Condition Furnace Filter Box of 6-Manufactured by Nordic Pure.

Sears

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Nordic Pure 20x24x1m12-6 Merv 12 Pleated Air Cond...

$115.89

$4.64 Cashback

Sears

Nordic Pure 20x24x1m12-6 Merv 12 Pleated Air Condition Furnace Filter,

0 reviews

$115.89

$4.64 Cashback

20x20x1 MERV 12 Pleated Air Condition Furnace Filter Box of 6-Manufactured by Nordic Pure.

Sears

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Allergyzone Az2020 Furnace Filter

$24.95

$1.00 Cashback

Sears

Allergyzone Az2020 Furnace Filter

0 reviews

$24.95

$1.00 Cashback

Allergy Furnace Air Purifier Filter for allergen control 20X20x1 by AllergyZone is the only filters on the market to capture cat dander

Sears

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Fresh-Air 1 in. MERV 8 Furnace Filter-1 pk.

$18.99

$0.38 Cashback

Walmart.com

Fresh-Air 1 in. MERV 8 Furnace Filter-1 pk.

0 reviews

$18.99

$0.38 Cashback

Size options for the Fresh-Air 1-in. Furnace Filter, based on availability: 12x24x1 14x20x1 14x25x1 15x20x1 16x20x1 16x25x1 20x20x1 20x25x1 24x24x1 25x25x1 1 inch thick Carbon media to remove particulate, gases, and odors Fresh-Air furnace filter by...

Walmart.com

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Fresh-Air 1 in. MERV 8 Furnace Filter-1 pk.

$44.99

$0.90 Cashback

Walmart.com

Fresh-Air 1 in. MERV 8 Furnace Filter-1 pk.

0 reviews

$44.99

$0.90 Cashback

Walmart.com

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Fresh-Air 1 in. MERV 8 Furnace Filter-1 pk.

$22.99

$0.46 Cashback

Walmart.com

Fresh-Air 1 in. MERV 8 Furnace Filter-1 pk.

0 reviews

$22.99

$0.46 Cashback

Walmart.com

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Fresh-Air 1 in. MERV 8 Furnace Filter-1 pk.

$20.99

$0.42 Cashback

Walmart.com

Fresh-Air 1 in. MERV 8 Furnace Filter-1 pk.

0 reviews

$20.99

$0.42 Cashback

Walmart.com

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Fresh-Air 1 in. MERV 8 Furnace Filter-1 pk.

$19.99

$0.40 Cashback

Walmart.com

Fresh-Air 1 in. MERV 8 Furnace Filter-1 pk.

0 reviews

$19.99

$0.40 Cashback

Walmart.com

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Fresh-Air 1 in. MERV 8 Furnace Filter-1 pk.

$21.99

$0.44 Cashback

Walmart.com

Fresh-Air 1 in. MERV 8 Furnace Filter-1 pk.

0 reviews

$21.99

$0.44 Cashback

Walmart.com

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