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Trane BAYFTAH26M2 - Perfect Fit 5" Replacement Air Filter 26" Width
Regular price From $109.28 USDRegular priceUnit price / per -
Bryant GAPBBCAR2025 - Evolution Air Purifier Filter 20" x 25" x 3.5" MERV 15
Regular price From $136.27 USDRegular priceUnit price / per -
TRI-DIM 050202501 20x25x1 TRI-DEK 15/40 3-Ply MERV 8 Filter Media
Regular price From $20.25 USDRegular priceUnit price / per -
GeneralAire 11-GA100A37 - 20" x 25" x 4" Replacement Filter for Honeywell FC100A1037, MERV 11
Regular price From $47.40 USDRegular priceUnit price / per -
Goodman AMP-13-1620-45 - 16" x 20" x 5" Clean Comfort Air Filter, MERV 13
Regular price From $38.15 USDRegular priceUnit price / per -
Dynamic C3P2025 20" x 25" x 1" Polarized Carbon Insert Filter Media, 3 Pack
Regular price $78.26 USDRegular priceUnit price / per -
Aprilaire 613 Replacement Filter - fits 2400, 2410, 4400 Media Air Cleaners
Regular price $66.78 USDRegular priceUnit price / per -
Koch 102-700-007 - 16" x 25" x 1" Pleated Air Filter, MERV 8
Regular price From $20.53 USDRegular priceUnit price / per -
Trane BAYFTAH21M2 - Perfect Fit 5" Replacement Air Filter 21.5" Width
Regular price From $99.85 USDRegular priceUnit price / per -
Honeywell POPUP2400 - 16" x 28" x 5" MERV 11 POPUP Air Filter
Regular price From $59.87 USDRegular priceUnit price / per -
Trion Air Bear T08-20201-6P - 20" x 20" x 1" Pleated Air Filter (6-Pack), MERV 8
Regular price $34.41 USDRegular priceUnit price / per -
Trion Air Bear 259112-104 - 16" x 20" x 5" Pleated Air Filter, MERV 11
Regular price From $32.82 USDRegular priceUnit price / per -
Sold out
Carrier FILXXFNC0017 Air Filter
Regular price From $54.38 USDRegular priceUnit price / perSold out -
Philanthro 14x25x1 MERV 11 Furnace Filter
Regular price From $18.67 USDRegular priceUnit price / per -
Carrier & Bryant FILXXCAR0124 - 24" x 25" x 5" Pleated Air Filter, MERV 11 (2 Pack)
Regular price $138.92 USDRegular priceUnit price / per -
Koch 102-700-009 - 20" x 25" x 1" Pleated Air Filter, MERV 8
Regular price From $21.00 USDRegular priceUnit price / per -
Respicaire RES-4PADEMCD2020 - 20" x 20" x 1" MicroClean 95 Media Pads, 3-Pack
Regular price $37.77 USDRegular priceUnit price / per -
Honeywell FC40R1003 Return Air Grill
Regular price From $72.65 USDRegular priceUnit price / per -
Lennox X8304 HCXF20-11 Kit 20" x 25" x 5" MERV 11 - Healthy Climate Expandable Filter - Includes Filter AND Frame
Regular price $91.52 USDRegular priceUnit price / per -
Aprilaire 910 - Clean Air Filter For Aprilaire Whole-Home Air Purifiers, MERV 11, For Dust
Regular price $66.08 USDRegular priceUnit price / per -
Trane BAYFTAH23M2 - Perfect Fit 5" Replacement Air Filter 23.5" Width
Regular price From $104.18 USDRegular priceUnit price / per -
Trion Air Bear T13-20201-6P - 20" x 20" x 1" Pleated Air Filter (6-Pack), MERV 13
Regular price $42.84 USDRegular priceUnit price / per -
Koch 102-700-026 - 16" x 25" x 4" Pleated Air Filter, MERV 8
Regular price From $26.00 USDRegular priceUnit price / per -
Lennox X8307 HCXF20-16 20" x 25" x 5" MERV 16 - Healthy Climate Expandable Filter Kit - Includes Filter AND Frame
Regular price $211.72 USDRegular priceUnit price / per
Collection: Replacement Furnace Filters and Air Filters
All HVAC systems need air filters - DiscountFurnaceFilter.com carries air filters for all HVAC systems! Browse our vast inventory of genuine, OEM filters manufactured by the heating and cooling brands you know and trust, including:
- Aprilaire
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- Carrier
- Bryant
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- Trane
- Trion Air Bear
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Furnace filters keep your HVAC clean and improve air quality within your home. When you change your air filters, you re-up protection for your heating and cooling equipment, safeguarding its internal components from performance-diminishing contaminant buildup. Also, keep these contaminants out of your air supply to reduce allergy symptoms and boost indoor comfort!
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Get started now – browse the DiscountFurnaceFilter.com selection of air filters and furnace filters. Search by brand, size, MERV rating, and more! If you need help selecting an air filter, please reach out to our dedicated customer support team – our HVAC experts are happy to assist and put our knowledge to work for you.