Trane media air filters For Trane Air Handlers and Furnaces Filters come 2 per box Prices are for a box with 2 filters BAYFTAH21M Trane PEFECT FIT Air Filter21" X 21.5" X 5" nominal 20.7" X 21.2" X 5" actual size Efficient slide in media filter Air Handler Enclosure Filter from TRANE 2 filters per box 1 box of 2 filters S & H IncludedRegular price: $128.00Sale price: $106.00 BAYFTAH23M Trane PERFECT Fit Air Filter 1 box of 2 filters S & H IncludedRegular price: $133.00Sale price: $106.00 BAYFTAH26M Trane PERFECTFIT Air Filter21" X 26" X 5" nominal 20.1" X 25.7" X 5" actual size Efficient slide in media filter Air Handler Enclosure Filter from TRANE 2 filters per box 1 box of 2 filters S & H IncludedRegular price: $138.00Sale price: $112.00 BAYFTFR14M Trane PERFECT FIT Air FIilter14.5" X 28.5" X 5" nominal 14.2" X 26.2" X 5" actual size Efficient slide in media air filter Furnace Enclosure filter from TRANE 2 filters per box 1 box of 2 filters S & H IncludedRegular price: $115.00Sale price: $95.00 BAYFTFR17M Trane PEFECT FIT Air Filter 1 box of 2 filters S & H IncludedRegular price: $129.00Sale price: $105.00 BAYFTFR21M Trane PEFECT FIT Air Filter21" X 28.5" X 5" NOMINAL 20.7" x 26.2" x 5" ACTUAL SIZE Efficient slide in media air filter Furnace Enclosure filter from TRANE 2 air filters per box 1 box of 2 filters S&H IncludedRegular price: $138.00Sale price: $98.00 BAYFTFR24M Trane PEFECT FIT Air Filter24.5" X 28.5" X 5" nominal 24.2" X 26.2" X 5" actual Size Efficient slide in media air filter Furnace Enclosure filters from TRANE 2 air filters per box 1 box of 2 filters S & H IncludedRegular price: $142.00Sale price: $115.00 No Name