Best Furnace Filters

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

Filtrete 16x25x1 Furnace Filter, MPR 1500, MERV 12, Healthy Living Ultra-Allergen 3-Month Pleated 1-Inch Air Filters, 2 Filters

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

United Filter Compatible with Honeywell 16x25x5 (15-7/8" x 24-7/8" x 4-3/8") X6670 Furnace Air Filter MERV 11 Pleated (3-Pack) - HVAC Filters Captures Airborne Dust, Pollen, Mould & Smoke

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

Filtrete 16x25x4 Furnace Filter, MPR 1000, MERV 11, Allergen Defense 12-Month Deep Pleated 4-Inch Air Filters, 4 Filters

Filtrete 14x25x1 Furnace Filter, MPR 1500, MERV 12, Clean Living Basic Dust 3-Month Pleated 1-Inch Air Filters, 6 Filters

Filtrete 20x25x4 Furnace Filter, MPR 1000, MERV 11, Clean Living Basic Dust 3-Month Pleated 4-Inch Air Filters, 4 Filters

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

Aprilaire 413 Replacement Filter