OEM furnace filters from top brands including, Lennox, Trion Air Bear, Trane, Honeywell, Aprilaire and more.
- 
                  
Koch P1S1-087-113 - 9" x 11" x 1" Pleated Air Filter, MERV 11
Regular price From $26.15 USDRegular priceUnit price / perSale price From $26.15 USD - 
                  
Koch 102-700-051 - 12" x 12" x 1" MERV 8 Pleated Air Filter
Regular price From $20.69 USDRegular priceUnit price / perSale price From $20.69 USD - 
                  
Koch 102-700-031 - 24" x 24" x 4" Pleated Air Filter, MERV 8
Regular price From $29.92 USDRegular priceUnit price / perSale price From $29.92 USD - 
                  
Koch 102-700-018 - 18" x 24" x 2" MERV 8 Pleated Air Filter
Regular price From $21.69 USDRegular priceUnit price / perSale price From $21.69 USD - 
                  
Koch 102-700-004 - 14" x 25" x 1" Pleated Air filter, MERV 8
Regular price From $21.12 USDRegular priceUnit price / perSale price From $21.12 USD - 
                  
Koch 102-700-003 - 14" x 20" x 1" Pleated Air Filter, MERV 8
Regular price From $20.88 USDRegular priceUnit price / perSale price From $20.88 USD - 
                  
Koch 102-700-002 - 12" x 24" x 1" MERV 8 Pleated Air Filter
Regular price From $21.01 USDRegular priceUnit price / perSale price From $21.01 USD - 
                  
Koch 102-042-018 - 16" x 30" x 2" Pleated Air Filter, MERV 8
Regular price From $28.32 USDRegular priceUnit price / perSale price From $28.32 USD - 
                  
Koch 102-041-015 - 18" x 20" x 1" Pleated Air Filter, MERV 8
Regular price From $22.92 USDRegular priceUnit price / perSale price From $22.92 USD - 
                  
Koch 102-041-007 - 16" x 16" x 1" MERV 8 Pleated Air Filter
Regular price From $22.03 USDRegular priceUnit price / perSale price From $22.03 USD - 
                  
Koch 102-041-002 - 12" x 20" x 1" Pleated Air Filter, MERV 8
Regular price From $21.63 USDRegular priceUnit price / perSale price From $21.63 USD - 
                  
Trion Air Bear T11-20251-6P - 20" x 25" x 1" Pleated Air Filter (6-Pack), MERV 11
Regular price $43.65 USDRegular priceUnit price / perSale price $43.65 USD - 
                  
Honeywell FR8000A1620 MERV 15 Replacement Filter (16 x 20 x 4")
Regular price From $179.39 USDRegular priceUnit price / perSale price From $179.39 USD - 
                  
Tri-Dim 50202001 MERV 8 Replacement Filter (20 x 20 x 1")
Regular price From $23.16 USDRegular priceUnit price / perSale price From $23.16 USD - 
                  
Aprilaire 313 MERV 13 Replacement Filter (20 x 20 x 4")
Regular price $66.40 USDRegular priceUnit price / perSale price $66.40 USD - 
                  
Trane BAYFTAH23M2 (2 Pack) MERV 8 Replacement Filter (21 x 23.5 x 5")
Regular price $104.25 USDRegular priceUnit price / perSale price $104.25 USD - 
                  
Trane FLRQB5FR16M11 MERV 11 Replacement Filter 2-Pack
Regular price $54.05 USDRegular priceUnit price / perSale price $54.05 USD - 
                  
Trane BAYFTFR17M2 MERV8 Replacement Filter (17.5 x 27 x 5")
Regular price $102.77 USDRegular priceUnit price / perSale price $102.77 USD - 
                  
Philanthro PHIL16201M11 MERV 11 Replacement Filter
Regular price From $18.46 USDRegular priceUnit price / perSale price From $18.46 USDSold out - 
                  
Lennox X8304 MERV 11 Replacement Filter (20 x 25 x 5")
Regular price $91.55 USDRegular priceUnit price / perSale price $91.55 USD