8,400+ results for furnace air filter
- PERMANENT WASHABLE ELECTROSTATIC FURNACE AC AIR FILTER Dust ElectronicOpens in a new window or tabBrand NewC $27.50 to C $103.10Top Rated Seller+C $33.81 shippingfrom United States83+ watchers
- Filterbuy 16x20x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 8)Opens in a new window or tabBrand NewC $33.07 to C $102.34Top Rated Seller+C $28.87 shippingfrom United States285+ sold
- Filtrete Air-Filter Basic Pleated Furnace Replacement Pad Dust Pack Lot 3M 6 12Opens in a new window or tabBrand NewC $17.87 to C $96.27Top Rated Seller+C $35.93 shippingfrom United States
- 16x25x1 MERV 8 Pleated Furnace Air Filter Made in Canada Case of 12Opens in a new window or tabBrand NewC $84.99Free shipping
- PERMANENT WASHABLE ELECTROSTATIC FURNACE AC AIR FILTER Dust Electronic USAOpens in a new window or tabBrand NewC $23.37 to C $103.10Top Rated Sellerfrom United States58+ sold
- 20x25x1 (MERV 8) Pleated Air Filter, Replacement for HVAC AC FurnaceOpens in a new window or tabBrand NewC $34.76 to C $145.36+C $25.00 shipping
- 20x20x4 MERV 11 Pleated Furnace Filter - Case of 6Opens in a new window or tabBrand NewC $129.99Free shipping
- Furnace / AC Air Filter, MERV 8, (10"x10"x1" Vaious Sizes) Reusable & WashableOpens in a new window or tabBrand NewC $47.98 to C $89.25from United States
- 20x25x4 MERV 11 Pleated Furnace Air Filter Made in Canada Case of 4Opens in a new window or tabBrand NewC $104.99Free shipping
- M2-1056 OEM MERV 11, Actual Size 20 1/4" x 20 3/4" x 5 1/4" Case of 3 FILTERSOpens in a new window or tabBrand NewC $108.88Free shipping
- 4 Furnace Air Filter 16" x 24" x 1" 3M Filtrete Allergen Defense merv 11 FAL25-4Opens in a new window or tabBrand NewC $68.76Top Rated Sellerfrom United States
- Aerovivo 16x20x1 Air Filter Reusable Abs Frame With 6 Filter Refills. Furnace FiOpens in a new window or tabBrand NewC $26.09Top Rated Sellerfrom United States
- Air Furnace Filter 16x20x2 MERV13 1315 Pleated Standard Replacement 2-packOpens in a new window or tabOpen BoxC $33.53Was: C $39.45 15% off
- Filterbuy Allergen Odor Eliminator 16x20x1 MERV 8 Pleated AC Furnace Air FilterOpens in a new window or tabBrand NewC $67.73 to C $209.96Top Rated Seller+C $56.25 shippingfrom United States
- Electrostatic A/C Furnace Air Filter -Permanent, Washable, Lifetime Warranty!!Opens in a new window or tabBrand NewC $143.46 to C $177.36+C $24.90 shippingfrom United States
- Filterbuy 16x25x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 8)Opens in a new window or tabBrand NewC $35.05 to C $102.18Top Rated Seller+C $34.58 shippingfrom United States350+ sold
- Compatable for Honeywell 203369 Furnace HVAC Air Filter 2pc Aluminum Pre FilterOpens in a new window or tabOpen BoxC $45.00Top Rated Seller+C $35.00 shipping
- Aprilaire 510 Furnace Air Filter (1 Pack )Opens in a new window or tabBrand NewC $61.900 bids · Time left4d 9hor Best Offerfrom United States
- Furnace Filter - Genuine Lennox X6672 MERV 16 FilterOpens in a new window or tabBrand NewC $154.88Free shipping
- Home / Furnace Air Filters - various sizes and typesOpens in a new window or tabBrand NewC $5.50from United States
- BNX 14X20x1 MERV 13 Furnace Air Filter, 4 Pack MADE IN USA HVAC AC FurnaceOpens in a new window or tabBrand NewC $60.51Top Rated Seller+C $27.51 shippingfrom United States37 sold
- 20"x 24"x 1" 2-pack Rigid Washable AC Furnace Air FilterOpens in a new window or tabBrand NewC $30.54+C $36.15 shippingfrom United States
- 20X20X1 Pleated Air Filters Replacement For Furnace. MERV 8 AC HVAC FPR 5 3-PackOpens in a new window or tabBrand NewC $21.87+C $20.30 shippingfrom United StatesLast one
- WASHABLE ELECTROSTATIC FURNACE FILTEROpens in a new window or tabBrand NewC $23.37 to C $66.01+C $67.54 shippingfrom United States
- 20"x30"x 1" 2-pack Rigid Washable AC Furnace Air FilterOpens in a new window or tabBrand NewC $41.25+C $36.47 shippingfrom United States
- Anycore AC FURNACE Air Filters MERV 11 NEW 4 PACK Sealed 14 X 14 x 1Opens in a new window or tabBrand NewC $32.53from United States
- 12"x20"x1" Poly-Flo Rigid Washable Cut-to-Fit AC Furnace Air Filter Quantity 1Opens in a new window or tabNew (Other)C $13.60Top Rated Seller+C $56.12 shippingfrom United States104 sold
- Filterbuy 20x20x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 13)Opens in a new window or tabBrand NewC $50.73 to C $148.89Top Rated Seller+C $53.72 shippingfrom United States199+ sold
- Filterbuy 20x20x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 8)Opens in a new window or tabBrand NewC $35.02 to C $104.16Top Rated Seller+C $81.57 shippingfrom United States437+ sold
- Filterbuy Allergen Odor Eliminator 16x25x1 MERV 8 Pleated AC Furnace Air FilterOpens in a new window or tabBrand NewC $66.96 to C $207.32Top Rated Seller+C $37.25 shippingfrom United States
- Filterbuy 20x30x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 8)Opens in a new window or tabBrand NewC $44.57 to C $123.63Top Rated Seller+C $39.37 shippingfrom United States146+ sold
- BNX 14X20x1 MERV 13 Furnace Air Filter, 4 Pack MADE IN USA HVAC AC FurnaceOpens in a new window or tabNew (Other)C $17.870 bids · Time left6d 13hor Best Offerfrom United States
- Aerostar 20x25x1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 6 Pack FilterOpens in a new window or tabNew (Other)C $27.51from United States
- Filtrete 20X25X1 AC Furnace Air Filter MPR 300 Clean Living Basic Dust 6 PackOpens in a new window or tabNew (Other)C $39.88Top Rated Seller+C $57.26 shippingfrom United States
- NEW 6 Pack, Filtrete 20x24x1 AC Furnace Air Filter, MPR 300, SealedOpens in a new window or tabNew (Other)C $19.26from United States
- Permanent - Washable - Lifetime AC & Furnace Filter - Never Buy Another FilterOpens in a new window or tabBrand NewC $89.34+C $22.30 shippingfrom United States
- Air Conditioner Filter G3 Superior To G2 Ducted Air Con Material Furnace HeatingOpens in a new window or tabBrand NewC $6.19 to C $30.08Top Rated Seller+C $21.90 shippingfrom Australia398+ sold
- Filtrete 17.5x23.5x1, AC Furnace Air Filter, MPR 1000, Micro Allergen Defense, xOpens in a new window or tabBrand NewC $116.92from United States
- Filterbuy 12x24x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 8)Opens in a new window or tabBrand NewC $32.88 to C $97.72Top Rated Seller+C $31.58 shippingfrom United States84+ sold
- The best Air Filter PERMANENT, WASHABLE, and REUSABLE FURNACE AC in All SIZESOpens in a new window or tabBrand NewC $44.51 to C $130.36+C $56.36 shippingfrom United States
- HONEYWELL POPUP 1625 Merv 11 16x25 Furnace Air Cleaner Filter! New!Opens in a new window or tabBrand NewC $55.02+C $21.28 shippingfrom United States
- OlitAir 20x20x1 MERV 8 Air Filter, AC Furnace, Reusable ABS Frame, 4 FiltersOpens in a new window or tabNew (Other)C $27.51from United States
- Aluminum Electrostatic Air Filter (16x25x1), Washable Furnace Air FilterOpens in a new window or tabNew (Other)C $34.39from United States
- 20x24x2 (MERV 8) Pleated Air Filter, Replacement for HVAC AC FurnaceOpens in a new window or tabBrand NewC $45.57 to C $190.56+C $25.00 shipping
- 16x24x1 (MERV 8) Pleated Air Filter, Replacement for HVAC AC FurnaceOpens in a new window or tabBrand NewC $37.32 to C $156.06+C $25.00 shipping
- 16 x 16 x 1 Filtrete MPR 300 AC Furnace 3M Air Filter Pack of 4Opens in a new window or tabBrand NewC $17.81Top Rated Sellerfrom United States
- 2 Aluminum Electrostatic Air Filter (16”x 25” x 1"), Washable Furnace Air FilterOpens in a new window or tabBrand NewC $44.02+C $57.75 shippingfrom United States23 sold
- 20x20x2 MERV 8 Furnace Air Filter, 2 PackOpens in a new window or tabBrand NewC $27.51from United States
- BNX 14X30x1 MERV 13 Furnace Air Filter, 4 Pack MADE IN USA HVAC AC FurnaceOpens in a new window or tabBrand NewC $34.39from United States
- Air Furnace Filter 24x24x4 MERV8 610 TP Pleated Standard Replacement Box of 2Opens in a new window or tabOpen BoxC $38.21Was: C $44.95 15% off
- 16x25x1 MERV 11 Pleated Furnace Air Filter Made in Canada Case of 12Opens in a new window or tabBrand NewC $89.99+C $9.99 shipping
- 20x25x4 MERV 11 Pleated Air Filter, AC Furnace Air Filter, 6-PackOpens in a new window or tabBrand NewC $61.90from United States
- 20x20x4 MERV 11 Pleated Furnace Filter - Case of 4Opens in a new window or tabBrand NewC $99.99Free shipping
- BestAir Pro A201-SGM-11R SpaceGard Furnace Air FilterOpens in a new window or tabBrand NewC $16.510 bids · Time left7h 44mfrom United States
- 21.5x23.5x1 Electrostatic Furnace Air Filter Washable Permanent 21-1/2x23-1/2x1Opens in a new window or tabBrand NewC $89.34+C $28.45 shippingfrom United States
- Air Furnace Filter 12x24x4 MERV 13 Pleated 1315 Replacement filter Box of 4Opens in a new window or tabOpen BoxC $118.96Was: C $139.95 15% off
- Standard Pleated Furnace Air Filter Dust FPR 5 (3-Pack) 12 X 20 X 1 MERV 8Opens in a new window or tabBrand NewC $21.38Top Rated Seller+C $31.21 shippingfrom United States30 sold
- REDUCE ALLERGEN HOME PLEATED AIR FILTER! WASHABLE PERMANENT REUSABLE FURNACE A/COpens in a new window or tabBrand NewC $90.92 to C $135.34+C $56.59 shippingfrom United States
- 14x24x1 MERV 10 Pleated Home A/C Furnace Air Filter (12-pack)Opens in a new window or tabBrand NewC $103.99Top Rated Seller+C $46.69 shippingfrom United States
- Items Per Page
