Precisionaire Furnace Air Filter 14 " X 30 " X 1 " Fiberglass

Economy Cellulose Air Filter, 14X30X1 inch, 12/box General Purpose Disposable filters are designed to protect furnaces and central air conditioners in residential and light duty applications. Both models are identical in construction except for the filter paper retainer. Filter Paper Retainer. The filter media itself is adhered directly to the frame for non-metallic applications Filter paper support does not require a retainer, the frame is adhered directly to the filter paper, which has a thin skin and is self-retaining. The sealing is accomplished by an elastic thermal adhesive that runs upstream and downstream on both sides of the entire frame.