10 bestA C Filtersof August 2025

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 20 x 25 x 5 Part # X6673 MERV 11 Model HCF 20-11 Case of 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 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

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

Cabiclean Blue Pure 211+ Replacement Filter Compatible with Blueair Blue Pure 211+ Air Cleaner Purifier, Foldable Particle and Carbon Replacement Filter

Nordic Pure 20x25x1M13+C-6 MERV 13 Plus Carbon AC Furnace Air Filters, Quantity-6

Lennox X6673 20 x 25 x 5 Replacement MERV 11. Actual Size 19 3/4" x 24 3/4" x 4 3/8." Made in Canada by Furnace Filters.Ca Pkg. of 3

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

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