... temperature resistance High temperature resistance panel air filter,panel filter ,G4 air filter 1) Application: Avoid tar, soot and dust from ... : Aluminum mesh or spray iron mesh 6) En779 class: G3, G4, F57) Average arrestance: 85%,90%,93% , (ASHRAE52.1-1992)8 ... -IP-550050050200080 High temperature resistance panel air filter,panel filter ,G4 air filter