FILTER HOG HAIR 20X28 M1 & M3 SERIES FURNACE WASHABLE

Poly-Flo polyester filters are a new breakthrough in filters..
Designed to replace expensive hog hair filters..
Stiff filter measures 19.50″ wide x 28″ long x approximately 1/2″ thick..
Washable.
Cleans easily with water..
Easily trimmed if desired but a tight fit is best..
Sold 1 each..
UL CLASS II. FMVSS 302 CERTIFIED..
100% Polyester Construction..
Cuts to full size of opening with scissors eliminating air by-pass..
Rigid construction – needs no frame..
Low resistance to air flow – saves money!.
Fibers are unaffected by mositure..
Safe to handle – no fiberglass or sharp edges..
Bi-directional air flow.. 80-90% dust retention..
Flame Retardent – self extinguishging..