Filtrete 20x20x4 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Honeywell, Allergen Defense, Electrostatic Air Cleaning Filter, 2-Pack (actual size 19.88 x 19.88 x 4.31)

Filtrete 20x20x4 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Honeywell, Allergen Defense, Electrostatic Air Cleaning Filter, 2-Pack (actual size 19.88 x 19.88 x 4.31)