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Philanthro 14x25x1 MERV 11 Furnace FilterRegular price From $18.67 USDRegular priceUnit price / per- 
                  
Trion Air Bear T11-20201-6P - 20" x 20" x 1" Pleated Air Filter (6-Pack), MERV 11Regular price $38.16 USDRegular priceUnit price / per- 
                  
Trane BAYFTAH23M2 - Perfect Fit 5" Replacement Air Filter 23.5" WidthRegular price From $104.18 USDRegular priceUnit price / per- 
                  
Trion Air Bear T13-20251-6P - 20" x 25" x 1" Pleated Air Filter (6-Pack), MERV 13Regular price $48.34 USDRegular priceUnit price / per- 
                  
Koch 102-700-016 - 16" x 20" x 2" Pleated Air Filter, MERV 8Regular price From $20.50 USDRegular priceUnit price / per- 
                  
Honeywell FC40R1003 Return Air GrillRegular 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 FrameRegular price $91.52 USDRegular priceUnit price / per- 
                  
Carrier EXPXXFIL0324 - EZ Flex 24" Expandable Air Filter Merv 13, Filter OnlyRegular price $63.69 USDRegular priceUnit price / per- 
                  
Aprilaire 910 - Clean Air Filter For Aprilaire Whole-Home Air Purifiers, MERV 11, For DustRegular price $66.08 USDRegular priceUnit price / per- 
                  
Carrier & Bryant FILXUMC082025 - 20" x 25" x 4" Pleated Air Filter, MERV 8 replaces old part # FILXXCAR0020Regular price From $44.69 USDRegular priceUnit price / per- 
                  
Rheem PD540044 - 21" x 24.5" x 5" Exact-Fit Filter for Air Cleaner AXHF-E24AM, MERV 8Regular price From $49.14 USDRegular priceUnit price / per- 
                  
Trion Air Bear T08-16251-6P - 16" x 25" x 1" Pleated Air Filter (6-Pack), MERV 8Regular price $33.78 USDRegular priceUnit price / per- 
                  
Aprilaire 510 - Clean Air, Air Filter For Aprilaire Whole-Home Air Purifiers, MERV 11Regular price From $78.76 USDRegular priceUnit price / per- 
                  
Lennox X8307 HCXF20-16 20" x 25" x 5" MERV 16 - Healthy Climate Expandable Filter Kit - Includes Filter AND FrameRegular price $211.72 USDRegular priceUnit price / per- 
                  
Trane BAYFTFR21M2 - Perfect Fit 5" Replacement Air Filter 21" WidthRegular price From $113.38 USDRegular priceUnit price / per- 
                  
Lennox 26Z91 - 20" x 22" x 5" Healthy Climate Carbon Clean HCF19-16 Air Filter, MERV 16Regular price From $168.94 USDRegular priceUnit price / per- 
                  
Koch 274-160-250 - 16" x 25" x 1" Disposable Dual-Density Fiberglass Filter Panel, MERV 4/5Regular price From $20.00 USDRegular priceUnit price / per- 
                  
Koch 102-700-021 - 20" x 25" x 2" Pleated Air Filter, MERV 8Regular price From $21.52 USDRegular priceUnit price / per- 
                  
Trion Air Bear T11-20251-6P - 20" x 25" x 1" Pleated Air Filter (6-Pack), MERV 11Regular price $43.63 USDRegular priceUnit price / per- 
                  
Carrier GAPCCCAR1620 - Infinity Air Purifier Filter 16" x 20" x 5" MERV 15Regular price From $125.31 USDRegular priceUnit price / per- 
                  
Trane FLRQB5AH18M13 - 17.7" x 20" x 4.7" Quikbox Filter Media 2-Pack, MERV 13Regular price $64.49 USDRegular priceUnit price / per- 
                  
Glasfloss ZLP16201 - 16" x 20" x 1" Z-Line Pleated Air Filter, MERV 10Regular price From $19.44 USDRegular priceUnit price / per- 
                  
Koch 102-041-004 - 14" x 14" x 1" MERV 8 Pleated Air FilterRegular price From $26.98 USDRegular priceUnit price / per- 
                  
Goodman AMP-13-2020-45 - 20" x 20" x 4.5" Clean Comfort Air Filter, MERV 13Regular price From $44.36 USDRegular priceUnit price / per
Collection: Furnace 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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- Trane
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