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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

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Fortify 20x25x4 MERV 11 Air Filters. (2-Pack) Compatible Replacement to Fit Top Tech TT-FM-2025 & White Rogers FR2000M-108. Actual Size: 19-3/8 x 24-3/8 x 3-5/8.

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Fortify 20x25x4 MERV 11 Air Filters. (Case of 6) Compatible Replacement to Fit Top Tech TT-FM-2025 & White Rogers FR2000M-108. Actual Size: 19-3/8 x 24-3/8 x 3-5/8.

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)

Glasfloss 10x20x1 MERV 10 (FPR 5-6) Pleated Air Filters. Box of 6. Actual Size: 9-1/2 x 19-1/2 x 7/8

Glasfloss 10x24x1 MERV 10 (FPR 5-6) Pleated Air Filters. Box of 6. Actual Size: 9-1/2 x 23-1/2 x 7/8

Glasfloss 12x12x1 MERV 10 (FPR 5-6) Pleated Air Filters. Box of 6. Actual Size: 11-1/2 x 11-1/2 x 7/8

Glasfloss 12x20x1 MERV 10 (FPR 5-6) Pleated Air Filters. Box of 6. Actual Size: 11-1/2 x 19-1/2 x 7/8

Glasfloss 12x24x1 MERV 10 (FPR 5-6) Pleated Air Filters. Box of 6. Actual Size: 11-3/8 x 23-3/8 x 7/8

Glasfloss 12x24x1 MERV 10 AC & Furnace Air Filters. Case of 12. Actual Size: 11-3/8 x 23-3/8 x 7/8

Glasfloss 12x24x12 Magna 1000 Series HEPA air filter. 99.97%. Qty 1

Glasfloss 12x24x2 MERV 10 (FPR 5-6) 2" Inch Pleated Air Filters. Box of 6. Actual Size: 11-3/8 x 23-3/8 x 1-3/4

Glasfloss 12x24x2 MERV 10 (FPR 5-6) 2" Inch Pleated Air Filters. Case of 12. Actual Size: 11-3/8 x 23-3/8 x 1-3/4