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10 bestFurnace Filter Sizesof December 2024

112M consumers helped this year.

7% off

1

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

Filtrete

9.8

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2

United Filter 16x25x5 MERV 11 Furnace Filter (5-Pack), Pleated HVAC AC Furnace Air Filter Compatible with Honeywell FC100A1029, Lennox X6670, Carrier, Bryant (Actual Size: 15.75 x 24.75 x 4.38)
United Filter 16x25x5 MERV 11 Furnace Filter (5-Pack), Pleated HVAC AC Furnace Air Filter Compatible with Honeywell FC100A1029, Lennox X6670, Carrier, Bryant (Actual Size: 15.75 x 24.75 x 4.38)

United Filter

9.6

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3

Bryant Part # M1-1056 Size 15 3/8" x 25 1/2" x 5 1/4" MERV 11 Case of 3
Bryant Part # M1-1056 Size 15 3/8" x 25 1/2" x 5 1/4" MERV 11 Case of 3

KITMOUS

9.3

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4

Lennox Healthy Climate 16x25x5 X6670 MERV 11 Filter-Actual Size 15 3/4" x 24 3/4" x 4 3/8". Pack of 3.
Lennox Healthy Climate 16x25x5 X6670 MERV 11 Filter-Actual Size 15 3/4" x 24 3/4" x 4 3/8". Pack of 3.

Healthy Climate

9.1

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5

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

Generalaire

8.8

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Related productsUp to 5% off

20x20x4 (3 5/8") MERV 8 Replacement Filter. Actual Size 19 3/8" x 19 3/8" x 3 5/8". Case of 4 Made in Canada by FurnaceFilters.Ca

20x20x4 (3 5/8") MERV 8 Replacement Filter. Actual Size 19 3/8" x 19 3/8" x 3 5/8". Case of 4 Made in Canada by FurnaceFilters.Ca

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Clean Comfort M1-1056 P102-1625 918395 Size 16x25x5 (Actual Size: 15 3/8" x 25 1/2" x 5 1/4") Filter 3 Pack

Clean Comfort M1-1056 P102-1625 918395 Size 16x25x5 (Actual Size: 15 3/8" x 25 1/2" x 5 1/4") Filter 3 Pack

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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

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

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Lennox x6670 HCF 16-11 MERV 11 16x25x5 Aftermarket/Generic. Actual Size 15 3/4" x 24 3/4" x 4 3/8". Case of 3 Made in Canada by Furnace Filters.Ca

Lennox x6670 HCF 16-11 MERV 11 16x25x5 Aftermarket/Generic. Actual Size 15 3/4" x 24 3/4" x 4 3/8". Case of 3 Made in Canada by Furnace Filters.Ca

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6

16x25x1 Furnace Filter | AirPurete AP- 3M16251 | Actual Size 15 1/2" x 24 1/2" x 3/4" | MERV 8 | Pack of 6 | Manufactured in Canada
16x25x1 Furnace Filter | AirPurete AP- 3M16251 | Actual Size 15 1/2" x 24 1/2" x 3/4" | MERV 8 | Pack of 6 | Manufactured in Canada

AirPurete

8.5

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7

16x25x4 (3 5/8") MERV 8 Pleated Furnace Filter. Actual/Exact Size 15 3/8 x 24 3/8 x 3 5/8". Case of 4 Made in Canada by Furnace Filters.Ca
16x25x4 (3 5/8") MERV 8 Pleated Furnace Filter. Actual/Exact Size 15 3/8 x 24 3/8 x 3 5/8". Case of 4 Made in Canada by Furnace Filters.Ca

FurnaceFilters.Ca

8.2

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8

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
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

7.9

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9

Five Seasons M1-1056 Replacement MERV 11 Premium Box Furnace Filter for Air Cleaner Purification Systems, 1400 CFM, 25.5 x 5.25 x 15.38" (3 Pack)
Five Seasons M1-1056 Replacement MERV 11 Premium Box Furnace Filter for Air Cleaner Purification Systems, 1400 CFM, 25.5 x 5.25 x 15.38" (3 Pack)

electro-air

7.6

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10

M1-1056 MERV 11 AMP M1-1056 Replacement Filter. Actual Size 15 3/8" x 25 1/2" x 5 1/4". Case of 3 by Furnace Filters.Ca
M1-1056 MERV 11 AMP M1-1056 Replacement Filter. Actual Size 15 3/8" x 25 1/2" x 5 1/4". Case of 3 by Furnace Filters.Ca

Furnace Filter

7.3

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