Tri-Glass Fiberglass Disposable air filters are constructed with a heavy-duty chipboard frame that is bonded to the media and has a bottlecap metal support. Progressively layered continuous glass fibers media is utilized in the Tri-Glass filters. An adhesive tackifier is added to increase the dust-holding capacity and a metal support is added downstream for support. Polyester media is available.

MERV 4 to 7 efficiencies.

Applications: Retrofit Options Education (Schools), Hospitality, Industrial