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10 best

Furnace Filter Sizes

of September 2024

112M consumers helped this year.

GeneralAire # 4511 ReservePro 16x25x5 furnace filter, Actual Size:15 5/8" x 24 3/16" x 4 15/16" Case of 3 Filters

Generalaire

9.8

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6% off

16x25x4 (3-5/8) MERV 11 A/C and Furnace Air Filters (Case of 4) Actual Size: 15-1/2" x 24-1/2" x 3-5/8" - HVAC Filters with High Dust Holding Capacity - Made in Canada - United Filter

United Filter

9.4

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20x25x4 (3 5/8") MERV 8 Exact Size Replacement Filter. Must Confirm Actual Size 19 3/8" x 24 3/8" x 3 5/8". Case of 4 Made in Canada by Furnace Filters.Ca

FurnaceFilters.Ca

9.3

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20% off

Filtrete 16x25x1 Furnace Filter, MPR 300, MERV 5, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters

Filtrete

8.9

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20x20x4 (3 5/8") MERV 11 Furnace & A/C Filter, Actual Size 19-1/2 x 19-1/2 x 3-5/8. Case of 4 Made in Canada By FurnaceFilters.Ca

Furnace Filters.Ca

8.5

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16x25x4 (3 5/8") MERV 11 Furnace & Air Condition Filter. Actual Size : 15 3/8" x 24 3/8" x 3 5/8" Case of 4 Made in Canada by FurnaceFilters.Ca

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United Filter 16x25x4 (3-5/8") MERV 8 Furnace Air Filters (4-Pack) Exact Size: 15-1/2" x 24-1/2" x 3-5/8" - AC, HVAC Filters Captures Bacteria, Dust, Pollen, Mould Spores & Smoke - Made in Canada

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