Best High Efficiency Furnace Filter

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

Honeywell Furnace Filter FC100A1029 16x25x4 Replacement Media Filters- 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.

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

Furnace Filter 16x25x1 MERV 10 Pleated Air Filter. Case of 12 Made in Canada by FurnaceFilters.Ca

Filtrete 16x20x1 Furnace Filter, MPR 1000, MERV 11, Healthy Living Ultimate Allergen 3-Month Pleated 1-Inch Air Filters, 6 Filters

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

Filtrete 14x25x1 Furnace Filter, MPR 300, MERV 5, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters

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)

16x20x1 | Trophy Air | Merv 8 | Washable Furnace Filter | Lifetime HVAC & Furnace Air Filter | Washable Electrostatic | High Dust Holding Capacity | Premium Quality Aluminum