5" Inch Air Filters

Fortify 16x25x4 MERV 11 Filter Replacement for AprilAire 410 & 413 Media Air Cleaners. (2-Pack) Compatible with Models 1410, 1610, 2140, 2400, 2410, 2416, 3410, 4400, and Space-Gard 2400 with Kit 1413.

Fortify 16x25x4 MERV 11 Filter Replacement for AprilAire 410 & 413 Media Air Cleaners. (Case of 6) Compatible with Models 1410, 1610, 2140, 2400, 2410, 2416, 3410, 4400, and Space-Gard 2400 with Kit 1413.

Fortify 16x25x5 Air Filter MERV 11 Replacement for Trion Air Bear, Skuttle, Generalaire. (2 Pack) (Actual Size: 15-5/8 x 24-1/8 x 4-7/8)

Fortify 16x25x5 Air Filter MERV 11 Replacement for Trion Air Bear, Skuttle, Generalaire. (Case of 4) (Actual Size: 15-5/8 x 24-1/8 x 4-7/8)

Fortify 16x25x5 MERV 11 HVAC Filters. Replacement for Lennox X6670 Healthy Climate Whole House Air Cleaner. (Case of 5)

Fortify 20x20x4 MERV 11 Pleated Whole House Air Filter. (2-Pack) Replacement for TopTech TT-FM-2020, White Rodgers FR1600M-108, FR1600M-111 | Actual Size 19.38 x 19.38 x 3.63

Fortify 20x20x4 MERV 11 Pleated Whole House Air Filter. (Case of 6) Replacement for TopTech TT-FM-2020, White Rodgers FR1600M-108, FR1600M-111 | Actual Size 19.38 x 19.38 x 3.63

Fortify 20x25x4 MERV 11 Air Cleaner Replacement for Honeywell FC100A1037 Pleated HVAC Filters. (2-Pack) Actual Size: 19.88 x 24.75 x 4.38

Fortify 20x25x4 MERV 11 Air Cleaner Replacement for Honeywell FC100A1037 Pleated HVAC Filters. (Case of 5) Actual Size: 19.88 x 24.75 x 4.38

Fortify 20x25x4 MERV 11 Filter Replacement for AprilAire 210 & 213 Media Air Cleaners. (2-Pack) Compatible with Models 1210, 1620, 2210, 22216, 32100, 4200, 2120, and with Kit 1213, UV12.

Fortify 20x25x4 MERV 11 Filter Replacement for AprilAire 210 & 213 Media Air Cleaners. (Case of 5) Compatible with Models 1210, 1620, 2210, 22216, 32100, 4200, 2120, and with Kit 1213, UV12.

Fortify 20x25x5 Air Filter MERV 11 Replacement for Trion Air Bear, Skuttle, Generalaire. (2 Pack) (Actual Size: 19-5/8 x 24-1/8 x 4-7/8)

Fortify 20x25x5 Air Filter MERV 11 Replacement for Trion Air Bear, Skuttle, Generalaire. (Case of 4) (Actual Size: 19-5/8 x 24-1/8 x 4-7/8)

Fortify 20x25x5 MERV 11 HVAC Filters. Replacement for Lennox X6673 Healthy Climate Whole House Air Cleaner. (2-Pack)

Fortify 20x25x5 MERV 11 HVAC Filters. Replacement for Lennox X6673 Healthy Climate Whole House Air Cleaner. (Case of 5)