... .DIN 53438-F1,UL900-class2 3.multilayer, 100 centigrade, moisture-proof 4.primary efficiency filter ... G3 G4 DIN 53438-F1,UL900-class2 multilayer 100 centigrade, moisture-proof primary efficiency air filter ... temperatureW*L*H%m/spapam3/hg/m2.CGP-1002.0m*50m*5mm601.0/2.5151259000500100.CGP- ... 20m*25mm941.0/2.5452502000600100.C G1 G2 G3 G4 DIN 53438-F1,UL900-class2 multilayer 100 centigrade, ...