12 Pack 18″ x 18″ x 1″ Disposable Flat Panel Furnace Filters
Pack of Twelve. design may vary 18″ x 18″ x 1″ Panel filter utilizing the Purolator Monobond concept of a one-piece frame sealed to the media using heat and pressure. Fiberglass media is evenly coated with a gel adhesive to prevent finer particle migration. Full depth loading and high dust holding capacity. Filter media has a skin backing and is evenly coated with a jelled adhesive. UL Class 2. Pack of 12 .