... resistance High temperature resistance panel air filter,panel filter ,G4 air filter 1) Application: Avoid tar, soot and ... mesh or spray iron mesh 6) En779 class: G3, G4, F57) Average arrestance: 85%,90%,93% , (ASHRAE52.1 ... -1992)8) EUROVENT4/5 classEU3, EU4, EU5,9) Final resistance: (suggest) 250Pa-(max) 300Pa 10) Max. ... temperature resistance panel air filter,panel filter ,G4 air filter