Case of (12) 16x30x1 Air Furnace Filter Hvac Standard Filters Heating Cooling FURNACE HVAC FILTERS 16' X 30' X 1' BRAND NEW IN BOX!! SUPER SALE PRICE!! 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 gelled adhesive. FIBERGLASS Size Ins.=16 x 30 x 1