... fan2Pcs double-intake centrifugal fan, 2X3KW, air capacity:20000m3 /h.Exhaust fan1Pc double-intake centrifugal fan, 4KW, air capacity:12500m3 /h ... from spraying to baking cycleFilter systemPrefilter, high efficiency filter(ceiling filter), floor filter, exhaust active carbon filterControl systemSpraying, risen-temperature spraying, baking ...