... power position, convenient moving.Inner air can through the pre-filtered, which from centrifugal fan to static pressure box, ... filter, variable air volume for DC wind unit, rechargeable power box, operation board. The chassis is made of 304# ... s)noisy≤62dB(A)Vibration half peak≤4umpowerDC48V/20AHMaxim power comsumption100WDimension sizeW700mm*D700mm*H1150mmweight100kgJunior, medium, high efficient ...