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20x20x1 Air Filter

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AIR FILTER
AIR FILTER Definition: A filter that prevents dirt and debris from air entering the engine. < Back to Last Page >     < Full Glossa
Dummies::Checking Your Car's Air Filter
Replacing these filters is easy: You simply buy a new one for your vehicle's make, model, and year, lift out the old one, and drop in the new one. A few older vehicles have permanent air filters.
DIY: How to Replace Your Air Filter
To see if your air filter needs to be replaced, shine a flash light from the inside out. Be careful that no dirt or debris falls into the carburetor. Clean the inside of the air.
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For all your shopping needs trust Become.com's extensive selection of products from top brands like All Filters, Dayton Electric Manufacturing, or Flanders . Finding the perfect gift can be difficult, but on Become.com you can try searching by merchant, user rating, or category and browse through relevant products in air purifiers. Discover product information and bargains on 3159 products for 20x20x1 air filter and never feel buyer's regret again. Be sure to compare products on Become.com for all of your shopping needs.


  1. Smart Filter EQP4020201 Gray EQP Merv 8 20x20x1 Air Filter (Package of 12)

    Smart Filter EQP4020201 Gray EQP Merv 8 20x20x1 Air Filter (Package of 12)

    20x20x1 Merv 8 Twelve Pack from the EQP CollectionMERV 8, 11 and 13 filters are an excellent upgrade from standard disposable panel filters. These amazing filters are multiple times more efficient and UL Listed. You will appreciate the quality of t
    Read More

    In Stock

    $39.34
    See It
    at Venting Direct
  2. Precisionaire 10055.01202 Fbrgl 20X20X1 Air Filter

    Precisionaire 10055.01202 Fbrgl 20X20X1 Air Filter

    20' x 20' x 1', Flat Panel, EZ Flow II Spun Fiberglass Disposable Furnace Filter, No Metal Media Retainers, Merv Rating 1, 30 Day Filter.

    In Stock

    $8.70
    See It
    at Amazon
  3. On Sale - 23% Discount on AAF TW20201 Fiberglass 20" X 20" X 1" Panel FilterAAF TW20201 Fiberglass 20" X 20" X 1" Panel Filter

    AAF TW20201 Fiberglass 20" X 20" X 1" Panel Filter

    20 x 20 x 1 Fiberglass Panel Filter (actual size of filter will be slightly undercut from nominal size for easy installation) Protect your heating and air conditioning equipment with this high-quality panel filter. Designed for general air filtr
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    In Stock

    See item
    $18.70
    See It
    at discountfilters.com
  4. Smart Filter DQP4020201 Gray DQP Merv 8 20x20x1 Air Filter (Package of 12)

    Smart Filter DQP4020201 Gray DQP Merv 8 20x20x1 Air Filter (Package of 12)

    20x20x1 Merv 8 Twelve Pack from the DQP CollectionMERV 8, 11 and 13 filters are an excellent upgrade from standard disposable panel filters. These amazing filters are multiple times more efficient and UL Listed. You will appreciate the quality of t
    Read More

    In Stock

    $40.51
    See It
    at Venting Direct
  5. EXTRACT-ALL FPF20201 20x20x1,pleated Air Filter,pk 24

    EXTRACT-ALL FPF20201 20x20x1,pleated Air Filter,pk 24

    Pleated Air Filter, Nominal Height 20 In., Nominal Width 20 In., Nominal Depth 1 In., Package Quantity 24

    See prices for: EXTRACT-ALL FPF20201 20x20x1,pleated Air Filter,pk 24

    In Stock

    $201.50
    See It
    at Grainger
  6. Smart Filter MQP20201 Gray MQP Merv 11 20x20x1 Air Filter (Package of 12)

    Smart Filter MQP20201 Gray MQP Merv 11 20x20x1 Air Filter (Package of 12)

    20x20x1 Merv 11 Twelve Pack from the MQP CollectionMERV 8, 11 and 13 filters are an excellent upgrade from standard disposable panel filters. These amazing filters are multiple times more efficient and UL Listed. You will appreciate the quality of
    Read More

    In Stock

    $59.48
    See It
    at Venting Direct
  7. MERV 11 20" x 20" x 2" Air Filters (12 Pack)

    MERV 11 20" x 20" x 2" Air Filters (12 Pack)

    MERV 11 20x20x2 Air Filter Overview Actual dimensions of the filter are 19.625" x 19.625" x 1.75" Listed and rated by UL (Underwriters Laboratory) 36 months supply (each filter lasts 3 months) Long-lasting value package - 12 filters per case Ships within 1-2 business days The MERV11 20x20x2 furnace & air conditioner filter will remove the following contaminants: Lint & Dust Dust Mite Debris Pollen Mold Spores Pet Dander Auto Emissions Smoke
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    In Stock

    $104.99
    See It
    at All Filters
    Trusted Merchant
  8. Smart Filter OB20201 NA OdorBan Merv 8 OdorBan 20x20x1 Air Filter (Package of 12

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

    OdorBan MERV-8 Air Filter Twelve PackOdorBan filters are MERV 8 rated according to ASHRAE 52.2 standards. OdorBan filters utilize two stage filtration technology to remove odors, irritant gases, particulates and dust in some of the most challenging e
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    In Stock

    $71.59
    See It
    at Venting Direct
  9. KKM 20x20x1 Washable Permanent Filter (Qty: 6)

    KKM 20x20x1 Washable Permanent Filter (Qty: 6)

    Flanders KKM 20x20x1 Washable Permanent Filter (Qty: 6) Flanders KKM Washable Permanent Filter Description The Flanders Model KKM is a heavy duty, washable, aluminum media, all metal filter. The KKM filter is suitable for all residential and commercial applications. The Flanders KKM filter offers a large filtering area, a high dust holding capacity, uniform loading and low resistance to air flow. It is recommended that the filter media be coated with dust adhesive for optimum performance. Flanders Washable ...
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    In Stock

    $158.95
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    at eComfort.com
    Trusted Merchant
  10. Energy Aire 12-Pack 20" x 20" x 1" Pleated Air Filters 81598I012020

    Energy Aire 12-Pack 20" x 20" x 1" Pleated Air Filters 81598I012020

    Get The 12-Pack 20" x 20" x 1" Pleated Air Filters From Lowe's Today.

    In Stock

    See item
    $79.94
    See It
    at Lowe's
  11. Smart Filter GQP20201-6PACK Gray GQP Merv 13 20x20x1 Air Filter (Package of 6)

    Smart Filter GQP20201-6PACK Gray GQP Merv 13 20x20x1 Air Filter (Package of 6)

    20x20x1 Merv 13 Six Pack from the GQP CollectionMERV 8, 11 and 13 filters are an excellent upgrade from standard disposable panel filters. These amazing filters are multiple times more efficient and UL Listed. You will appreciate the quality of thi
    Read More

    In Stock

    $45.05
    See It
    at Venting Direct
  12. Precisionaire 10055.01152 Fbrgl 15X20X1 Air Filter

    Precisionaire 10055.01152 Fbrgl 15X20X1 Air Filter

    *** (This item sold as a pack of 12) ***EZ Flow II spun glass panel furnace filters for furnace, or central air conditioners. Continuous filament spun glass media. For residential applications. 1 piece moisture resistant chipboard frame prevents open corners. Media continuously glued to the inside perimeter of the frame for rigidity. Hot melt resin sealant. UL 900 Class marked.
    Read More

    In Stock

    $9.05
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    at Amazon
  13. Precisionaire 10055.01102 Fbrgl 10X20X1 Air Filter

    Precisionaire 10055.01102 Fbrgl 10X20X1 Air Filter

    This is a standard grade furnace filter of the same type that has been protecting furnaces and central air conditioners around the world for over 50 years. The filtering medium is continuous filament spun glass. The frame is made with one continuous piece of chipboard to guard against corner separation. For peak equipment protection and energy efficiency, these filters should be changed monthly in periods of high use. Buy a case and be set for the year!
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    In Stock

    $9.61
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    at Amazon
  14. On Sale - 50% Discount on 20x20x1 Electrostatic Air Furnace Filter20x20x1 Electrostatic Air Furnace Filter

    20x20x1 Electrostatic Air Furnace Filter

    20x20x1 Electrostatic Washable Permanent AC Furnace FilterReplaces standard 20x20x1 sized disposable filters. Standard filters are generally undercut 3/8 inch. The actual size of this filter is 19-5/8 x 19-5/8 x 7/8These filters retail elsewhere for $79.99-$99.99.Clean your indoor air of allergens like pollen, dust, mold spores and pet dander.Electrostatic filters are designed to build a natural static charge as air passes through them. Unlike paper or fiberglass filters, electrostatic filters actually attract ...
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    FED-EX SHIPPING $9.99 for Air-

    In Stock

    $79.99

    $39.99
    See It
    at Never Buy Another Filter
  15. Smart Filter EQP4010201 Gray EQP Merv 8 10x20x1 Air Filter (Package of 12)

    Smart Filter EQP4010201 Gray EQP Merv 8 10x20x1 Air Filter (Package of 12)

    10x20x1 Merv 8 Twelve Pack from the EQP CollectionMERV 8, 11 and 13 filters are an excellent upgrade from standard disposable panel filters. These amazing filters are multiple times more efficient and UL Listed. You will appreciate the quality of t
    Read More

    In Stock

    $36.55
    See It
    at Venting Direct
  16. AIR HANDLER 5W511 20x20x1,pleated Air Filter,merv 7

    AIR HANDLER 5W511 20x20x1,pleated Air Filter,merv 7

    Pleated Filter, Standard Capacity, Merv 7, Nominal Height 20 In., Nominal Width 20 In., Nominal Depth 1 In.

    In Stock

    $6.80
    See It
    at Grainger
  17. 20" x 20" x 5" Return Grille Air Filter (MERV 8)

    20" x 20" x 5" Return Grille Air Filter (MERV 8)

    MERV 8 20x20 Return Air Grille Filter Overview Longer-lasting alternative to a traditional 1" filter with up to 12 months of use Fits behind most residential wall/ceiling return air grilles (Requires at least 5" of space behind the return grille) Increased media surface offers superior performance and efficient filtration Lower air resistance decreases strain on heating and cooling systems and reduces energy costs Foam header design prevents dust bypass by pressure fitting into the frame Actual dimensions of ...
    Read More

    In Stock

    $48.99
    See It
    at All Filters
    Trusted Merchant
  18. Smart Filter EQP4016201 Gray EQP Merv 8 16x20x1 Air Filter (Package of 12)

    Smart Filter EQP4016201 Gray EQP Merv 8 16x20x1 Air Filter (Package of 12)

    16x20x1 Merv 8 Twelve Pack from the EQP CollectionMERV 8, 11 and 13 filters are an excellent upgrade from standard disposable panel filters. These amazing filters are multiple times more efficient and UL Listed. You will appreciate the quality of t
    Read More

    In Stock

    $35.15
    See It
    at Venting Direct
  19. 20x20x1 Electro Filter Replacement Filter

    20x20x1 Electro Filter Replacement Filter

    Electro 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 other odo
    Read More

    In Stock

    $12.99
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    at Filters-NOW
  20. AIR HANDLER 6B938 20x20x1,pleated Air Filter,merv 8

    AIR HANDLER 6B938 20x20x1,pleated Air Filter,merv 8

    Pleated Filter, High Capacity, Merv 8, Nominal Height 20 In., Nominal Width 20 In., Nominal Depth 1 In.

    In Stock

    $10.97
    See It
    at Grainger
  21. Smart Filter EQP4012201 Gray EQP Merv 8 12x20x1 Air Filter (Package of 12)

    Smart Filter EQP4012201 Gray EQP Merv 8 12x20x1 Air Filter (Package of 12)

    12x20x1 Merv 8 Twelve Pack from the EQP CollectionMERV 8, 11 and 13 filters are an excellent upgrade from standard disposable panel filters. These amazing filters are multiple times more efficient and UL Listed. You will appreciate the quality of t
    Read More

    In Stock

    $39.34
    See It
    at Venting Direct
  22. 20" x 20" x 5" Return Grille Air Filter (MERV 11)

    20" x 20" x 5" Return Grille Air Filter (MERV 11)

    MERV 11 20x20 Return Air Grille Filter Overview Longer-lasting alternative to a traditional 1" filter with up to 12 months of use Fits behind most residential wall/ceiling return air grilles (Requires at least 5" of space behind the return grille) Increased media surface offers superior performance and efficient filtration Lower air resistance decreases strain on heating and cooling systems and reduces energy costs Foam header design prevents dust bypass by pressure fitting into the frame Actual dimensions of ...
    Read More

    In Stock

    $52.99
    See It
    at All Filters
    Trusted Merchant
  23. Smart Filter DQP4016201 Gray DQP Merv 8 16x20x1 Air Filter (Package of 12)

    Smart Filter DQP4016201 Gray DQP Merv 8 16x20x1 Air Filter (Package of 12)

    16x20x1 Merv 8 Twelve Pack from the DQP CollectionMERV 8, 11 and 13 filters are an excellent upgrade from standard disposable panel filters. These amazing filters are multiple times more efficient and UL Listed. You will appreciate the quality of t
    Read More

    In Stock

    $36.55
    See It
    at Venting Direct
  24. AIR HANDLER 4YUV5 20x20x1,pleated Air Filter,merv 10

    AIR HANDLER 4YUV5 20x20x1,pleated Air Filter,merv 10

    Pleated Filter, High Capacity, Merv 10, Nominal Height 20 In., Nominal Width 20 In., Nominal Depth 1 In.

    In Stock

    $13.07
    See It
    at Grainger
  25. Pre Pleat M13 High Capacity 20x20x1 Pleated Panel MERV 13 Air Filter

    Pre Pleat M13 High Capacity 20x20x1 Pleated Panel MERV 13 Air Filter

    Flanders Pre Pleat M13 High Capacity 20x20x1 Pleated Panel MERV 13 Air Filter (Qty: 12) Flanders Pre Pleat M13 High Capacity Pleated Panel Air Filter Description Pre Pleat M13 pleated panel filters are suitable as pre filters but are best suited for heavy duty commercial, industrial, and pharmaceutical applications. The Pre Pleat M13 can be installed in PF-1 Holding Frames, K-Trac Framing Modules, Surepleat Side Access Housings and Bag-In/Bag-Out Containment housings. Flanders Pre Pleat M13 High Capacity ...
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    In Stock

    $80.95
    See It
    at eComfort.com
    Trusted Merchant
  26. Smart Filter DQP4010201 Gray DQP Merv 8 10x20x1 Air Filter (Package of 12)

    Smart Filter DQP4010201 Gray DQP Merv 8 10x20x1 Air Filter (Package of 12)

    10x20x1 Merv 8 Twelve Pack from the DQP CollectionMERV 8, 11 and 13 filters are an excellent upgrade from standard disposable panel filters. These amazing filters are multiple times more efficient and UL Listed. You will appreciate the quality of t
    Read More

    In Stock

    $37.48
    See It
    at Venting Direct
  27. 20" x 20" x 5" Return Grille Air Filter (MERV 13)

    20" x 20" x 5" Return Grille Air Filter (MERV 13)

    MERV 13 20x20 Return Air Grille Filter Overview Longer-lasting alternative to a traditional 1" filter with up to 12 months of use Fits behind most residential wall/ceiling return air grilles (Requires at least 5" of space behind the return grille) Increased media surface offers superior performance and efficient filtration Lower air resistance decreases strain on heating and cooling systems and reduces energy costs Foam header design prevents dust bypass by pressure fitting into the frame Actual dimensions of ...
    Read More

    In Stock

    $59.99
    See It
    at All Filters
    Trusted Merchant
  28. Smart Filter DQP4012201 Gray DQP Merv 8 12x20x1 Air Filter (Package of 12)

    Smart Filter DQP4012201 Gray DQP Merv 8 12x20x1 Air Filter (Package of 12)

    12x20x1 Merv 8 Twelve Pack from the DQP CollectionMERV 8, 11 and 13 filters are an excellent upgrade from standard disposable panel filters. These amazing filters are multiple times more efficient and UL Listed. You will appreciate the quality of t
    Read More

    In Stock

    $40.74
    See It
    at Venting Direct
  29. AIR HANDLER 2DYT6 20x20x1,pleated Air Filter,merv 11

    AIR HANDLER 2DYT6 20x20x1,pleated Air Filter,merv 11

    Pleated Filter, High Capacity, Merv 11, Nominal Height 20 In., Nominal Width 20 In., Nominal Depth 1 In.

    In Stock

    $13.67
    See It
    at Grainger
  30. Smart Filter EQP4014201 Gray EQP Merv 8 14x20x1 Air Filter (Package of 12)

    Smart Filter EQP4014201 Gray EQP Merv 8 14x20x1 Air Filter (Package of 12)

    14x20x1 Merv 8 Twelve Pack from the EQP CollectionMERV 8, 11 and 13 filters are an excellent upgrade from standard disposable panel filters. These amazing filters are multiple times more efficient and UL Listed. You will appreciate the quality of t
    Read More

    In Stock

    $40.97
    See It
    at Venting Direct
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