10 bestA C Filtersof March 2025
112M consumers helped this year.
1

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

10.0
2

Lennox Healthy Climate 20 x 25 x 5 Part # X6673 MERV 11 Model HCF 20-11 Case of 3
Healthy Climate

10.0
3

United Filter 16x25x5 MERV 11 Pleated Furnace Air Filter Compatible with M1-1056 (4-Pack) (Actual Size:15-3/8 x 25-1/2 x 5-1/4) A/C, HVAC Filters Captures Pollen, Mould, Smoke - Made in Canada
United Filter

9.8
4

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

9.5
5

X0585 Lennox 20x20x5 MERV 11 Healthy Climate Solutions For Model # HCF14-11. Actual Size 20" x 19 3/4" x 4 3/8". Case of 3 Made in Canada By FurnaceFilters.Ca
FurnaceFilters.Ca

9.2
OtherUp to 24% off
6

BLUEAIR Blue Pure 411i Max and 411a Max Genuine Replacement Filter, Blue Pure F4MAX, fits Blue Pure 411i Max and 411a Max Air Purifier
Blueair

9.0
7

Filterbuy 16x20x1 Air Filter MERV 11 Allergen Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 x 19.50 x 0.75 Inches)
FilterBuy

8.7
8

United Filter M8-1056 Compatible 20x25x5 MERV 11 Furnace Air Filter (Case of 3) - HVAC Filters Purify Air, Removes Pollen, Mould, Bacteria & Smoke - Air Filters Made in Canada
United

8.4
9

Filterbuy 20x20x5 Air Filter MERV 8 Dust Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement for Amana, BDP, Coleman, Electro-Air, Five Seasons, Gibson, Goodman, Nordyne, Payne, Totaline, & York (Actual Size: 20.25 x 20.75 x 5.25)
FilterBuy

8.1
6% off
10

2 Pack Humidifier Wicking Filters Compatible with Honeywell HC-888, HC-888N, Filter C
LISWIC

7.8

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