paper primary air filter,G3, G4,F5

primary air filterlarge filtering area ,lower resistance ,high dirt holding Type … pleated filter panels frame.. wet -strength paper board frame,two piece frame construction instruction..two mating section of the frame overlap one another to provide a double wall.this can against rack,warp,bend under operating and handlig conditions . grids..galvanized surpport grid,the media surported with expanded metal to ensure strength efficiency.. MERV 7 (ASHARE 52.2) ,G3(EN 7799) Average arrestance : 85% (ASHARE 52.2) adensive: the plceats tips bonded to the diagonal surpport bars.the adhensive application assure filter integrity . longevity. 3 months different filter media and size can be customized . model OutsideDimensions Rated airflow Initial resistance Efficiency (class) Model of filter media XN-CXZ-8j295×295×46mm12″×12″×2″800 m3/h25pa MERV5/7MERV10G3 G4 Green, blue , white etc. sythetic fiber XN-CXZ-13j495×295×46mm20″×12″×2″1300 m3/hXN-CXZ-22j495×495×46mm24″×20″×2″2200m3/hXN-CXZ-16j595×295×46mm24″×12″×2″1600m3/hXN-CXZ-27j595×495×46mm24″×20″×2″2700m3/hXN-CXZ-32j595×595×46mm24″×24″×2″3200 m3/h