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Trion Air Bear T08-20251-6P - 20" x 25" x 1" Pleated Air Filter (6-Pack), MERV 8Regular price $37.53 USDRegular priceUnit price / per- 
                  
  Trion 272649-08-205 - (2 Pack) 16" x 25" x 4.3" Trion OEM-2 Honeywell Replacement Air Filter, MERV 8Regular price $44.51 USDRegular priceUnit price / per- 
                  
Trion Air Bear 255649-104 - 16" x 20" x 5" Pleated Air Filter, MERV 8Regular price From $31.62 USDRegular priceUnit price / per- 
                  
Koch 102-700-017 - 16" x 25" x 2" Pleated Air Filter, MERV 8Regular price From $21.13 USDRegular priceUnit price / per- 
                  
Dynamic C3P1620 16" x 20" x 1" Polarized Carbon Insert Filter Media, 3 PackRegular price $79.53 USDRegular priceUnit price / per- 
                  
Honeywell TRN2621T1 - Trane Perfect Fit Replacement Air Filter 26" x 21" x 5" MERV 10Regular price From $73.16 USDRegular priceUnit price / per- 
                  
Honeywell POPUP1625 - 16" x 25" x 5" MERV 11 POPUP Air FilterRegular price From $64.13 USDRegular priceUnit price / per- 
                  
Aprilaire 110 - 16" x 20" x 4" Clean Air Expandable Filter, MERV 11Regular price From $61.52 USDRegular priceUnit price / per- 
                  
Koch 102-041-039 - 14" x 30" x 1" Pleated Air Filter, MERV 8Regular price From $26.27 USDRegular priceUnit price / per- 
                  
GlasFloss ZLP20201 - 20" x 20" x 1" Z-Line Pleated Air Filter, MERV 10Regular price From $19.83 USDRegular priceUnit price / per- 
                  
GeneralAire 12880 - 25"x20"x6" RESERVEPro MERV 11 Expandable Air FilterRegular price From $59.11 USDRegular priceUnit price / per- 
                  
Trion Air Bear 266649-104 - 16" x 20" x 5" Pleated Air Filter, MERV 13Regular price From $35.80 USDRegular priceUnit price / per- 
                  
Aprilaire 913 - Healthy Home Air Filter For Aprilaire Whole-Home Air Purifiers, MERV 13, For Most Common AllergensRegular price $71.90 USDRegular priceUnit price / per- 
                  
Koch 102-700-051 - 12" x 12" x 1" MERV 8 Pleated Air FilterRegular price From $20.68 USDRegular priceUnit price / per- 
                  
Koch 102-041-005 - 14" x 24" x 1" Pleated Air Filter, MERV 8Regular price From $22.47 USDRegular priceUnit price / per- 
                  
Carrier & Bryant AGAPXCAR1625 - Performance Preferred Air Purifier Filter 16" x 25" x 3" MERV 13 (Direct Replacement for PGAPXXCAR1625)Regular price From $126.91 USDRegular priceUnit price / per- 
                  
Carrier & Bryant FILXUMC111625 - 16" x 25" x 4" Pleated Air Filter, MERV 11 replaces old part # FILXXCAR0116Regular price From $43.51 USDRegular priceUnit price / per- 
                  
Lennox X8305 HCXF14-11 Kit 20" x 20" x 5" MERV 11 - Healthy Climate Expandable Filter - Includes Filter AND FrameRegular price $94.84 USDRegular priceUnit price / per- 
                  
  Trion 272649-08-202 - (2 Pack) 20" x 25" x 4.3" Trion OEM-2 Honeywell Replacement Air Filter, MERV 8Regular price $46.94 USDRegular priceUnit price / per- 
                  
Honeywell POPUP2025 - 20" x 25" x 5" MERV 11 POPUP Air FilterRegular price From $64.13 USDRegular priceUnit price / per- 
                  
Trion Air Bear T13-14201-6P - 14" x 20" x 1" Pleated Air Filter (6-Pack), MERV 13Regular price $38.96 USDRegular priceUnit price / per- 
                  
Lennox X8303 HCXF16-11 Kit 16" x 25" x 5" MERV 11 - Healthy Climate Expandable Filter - Includes Filter AND FrameRegular price $90.02 USDRegular priceUnit price / per- 
                  
Aprilaire 813 - Air Filter - Fits Aprilaire Filter Grille 2025FG And Air Cleaner Models By Carrier, General, Honeywell, Lennox, Trion, And UltravationRegular price $71.40 USDRegular priceUnit price / per- 
                  
Koch 102-700-019 - 20" x 20" x 2" Pleated Air Filter, MERV 8Regular price From $21.10 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:
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