... Airbrush CompressorModel AS19Brand HSENG Features1) Double cylinder, high air flow, can operate with many airbrushes.2) Oil ... free, piston type; No air polluted.3) With water filter, pressure adjustor and ... pressure gauge. 4) Double air pressure switch.Switch 1, low pressure switch, for ... , GS, ROHS, ETL, CETL haosheng Mini Air Compressor AS19