Generalaire 4501 / 4551 Furnace Filter 20x25x5 MERV 10 / 11. Filter has been Upgraded to MERV 11. Actual Size 19 5/8" x 24 3/16" x 4 15/16."Case of 3.
- Generalaire / ReservePro Part # GFI 4501 MERV 10 Replaced with GF4551 MERV 11, Same Size Just Level of Filtration Has Been Upgraded
- Fits Generalaire MAC 2000, Trion Air Bear Supreme 2000, Skuttle DB0-0025-020, & Ultravation 90-007
- Actual Dimensions: 19 5/8" x 24 3/16" x 4 15/16" (with foam strips)
- MERV 11 Rated
- Package of 3
- Pick Up in Store $94.00