The Glasfloss PTA shall be constructed of a single piece of heavy-duty, one piece craftboard frame. The metal grid shall be thermally bonded internally to the frame. The metal grids shall provide an 82 percent open area. All corners shall be closed and sealed. The filter media shall be constructed in a progressively dense fashion from air entertaining to air-leaving side. Glasfloss disposable panel filters shall be rated to withstand temperatures up to 180 degrees Fahrenheit. All filters shall be classified under U.L. std. 900.
Glasfloss® Disposable Panel Filter, Series: PTA, 16 in Width, 1 in Depth, 20 in Height, MERV: 1 to 5, 300 fpm, 180 deg F, Kraft Board Frame, 3 to 10 micron, <20% Efficiency, 0.09 in WG Initial Resistance, 1/2 in WG Final Resistance, PolyStrand® Media, 15-5/8 in W x 3/4 in D x 19-5/8 in H, Domestic