... type evaporatorhigh,medium,low temprature evaporator evaporator:ORGREN air cooler series is suitable for high,middle, ... windy,Wide-range, low noise,long service time.6.2.6MPa pneumatic test permition,reasonable design, ... windy,Wide-range, low noise,long service time.6.2.6MPa pneumatic test permition,reasonable design, ... 8 hours defrost cycle. Roof installation dual discharge air cooler for cold storage