Capacity --Efficiency:ASHRAE 85%,95%. --Standard: EN779 F7,F8. --UL Class1. --Operating Conditions:Continuous Temp:Up to 260âÂÂ(500âÂÂ). Note: --Operating at 290âÂÂ(550âÂÂ)for two hours, the media color start change rapidly. --Operating at 320âÂÂ(600âÂÂ)for one and one half hour ,glue and gasket broke down. --To operate at high temperature,please call us for detail. Materials: --Frame:Galvanized steel sheet,Stainless steel sheet (SUS201/SUS430). --Media:Glass Fiber. --Separator:Aluminum foil. --Sealant:Single component high temperature silicone caulk. --Gasket:High temperature silicone sponge(optional). --Face net:Aluminum mesh(optional). Applications: --High temperature paint spray line. --High clean baking booth. --High purified baking box. --Food baking booth or room. --Use with high temperature equipments to kill the germ or virus, such as pharmaceutical factory. --Ventilation system with high fire resistant requirement and high temperature operating environment