... 2.220/110v 3.high effiently 4.green refrigerant cooling used escalatorescalater air conditioner,escalater Air Conditioning,escalater Air cooling1. exlusive ... the elevator cooling .air-conditioner,air chiller,cooling unit IT is widely used in car elevators, medical elevators, residential elevator, goods elevators ... )>1350>1350Air Out,Air ReturnFrom Two Sides, To Front cooling used escalator