Best Residential Furnaces

Filtrete 20x20x1 AC Furnace Air Filter, MERV 5, MPR 300, Capture Unwanted Particles, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6-Pack (Actual Size19.69x19.69x0.81 in)

Filtrete

Filtrete 20x25x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2 Pack (Actual Size 19.688 x 24.688 x 0.84 in)

Filtrete 20x25x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4 Pack (Actual Size 19.69 x 24.69 x 0.81 in)

Amazon Basics Merv 11 AC Furnace Air Filter - 16'' x 25'' x 1'', 6-Pack

Filtrete 20x25x4 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Lennox & Honeywell Devices, Allergen Defense, Electrostatic Air Cleaning Filter, 4-Pack (actual size 19.88 x 24.63 x 4.31)

Filtrete 20x25x4 AC Furnace Air Filter, MPR 1550, MERV 12, Fits Lennox & Honeywell, Allergen, Bacteria & Virus, Electrostatic Air Cleaning Filter, 2-Pack (actual size 19.88 x 24.63 x 4.31)

Filtrete 16x25x4 AC Furnace Air Filter, MPR 1550, MERV 12, Fits Lennox & Honeywell, Allergen, Bacteria & Virus, , Electrostatic Air Cleaning Filter, 2-Pack (actual size 15.88 x 24.56 x 4.31)

Filtrete 16x25x1 Air Filter, 3M MERV 5 HVAC AC Furnace Filter Replacement, 6-Pack (Actual Size15.69x24.69x0.81 in)

Filtrete

Filtrete 20x30x1 AC Furnace Air Filter, MERV 12, MPR 1500, CERTIFIED asthma & allergy friendly, 3 Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 19.81x29.81x0.78 in)

Reair 16x25x1 Air filter, Washable and Reusable Air Filter 16x25x1 for AC HVAC Furnace, MREV 8 Air Filters Machine Washable & Dryer Friendly, AC Furnace Air Filter