GeneralAire GA100A37 / 4368 20x25 Air Filter - $51.99
GeneralAire # 4541 MERV 11 for # GF 4511 ReservePro 16x25x5 furnace filter, Actual Size:15 5/8" x 24 3/16" x 4 15/16" Case of 2 Filters- MEASURE CAREFULLY BEFORE ORDERING ! - Amazon.com
Parts & Supplies | Indoor Air Quality | Air Cleaners & Filters | GENERAL MAC10202505
GeneralAire RESERVEPro 4551 20x25x5 Air Filter - $59.99
HDX 20 in. x 25 in. x 5 in. Trion AirBear Replacement Pleated Air Filter FPR 9, MERV 13 HDX-AB2025-13-3 - The Home Depot
4551-GENERAL-AIRE - General Aire 4551-GENERAL-AIRE - 6FM2025 20" x 25" MERV 11 Replacement Filter
GeneralAire 4551 20x25x5 MERV 11 Cartridge Media Filter for MAC 2000