Product Name: Fiberglass Heat Resistant Panel Filters Type: Folded Filter Filtration Grade: Pre Filter Efficiency: G4 Medium Material: Fiberglass Transport Package: Carton Specification: 500*500*96mm Origin: China HS Code: 4823200000 Product Description Description:·It is made from the long fiberglass ·The outside is fixed by aluminum expended mesh·Flame residency, and the Temp. Resistance up to 300°C;Specification:Class DimensionsW*HD(mm)Air velocity Initial resistanceFinal resistanceFilter efficiencyframeG3500*500*961 m/s6028086%AluminumAlloyGalvanizedSheet