... : Plastic case,Coated steel or SUS304# stainless steel case are available.3.World famous brand compressor,4-way valve,motor,PCB ... more than 6.0).4.Convenient:Intelligent remote controller,with simple key operation.Displays error code when having problem, ... case are available,R22,R407C,R410a,R417A,R134A are for optional.8.Metal case water tank with powder coating or stainless steel case are available. ...