20 in. x 20 in. x 1 in. MERV 8 Pleated AC Furnace Air Filter, 12PK
Two-piece frames are made of beverage board, which stays strong through humidity and temperatures with wire backed synthetic filtering media for optimal equipment protection and energy efficiency, these filters should be changed 60-90 days in periods of high use.AF MERV 8, comparable with MPR 300 / 600 clean living and dust & pollen.