sell ceiling cassette type air conditioner • Low noise operation • Ultrathin main body and space saving • With the water pump, the drainage pipe can be arranged freely on the ceiling • Four-way air flow outlets and wide range of air distribution • Water full alarm and auto-stop, double protection against drainage of condensed water • Compact design • Refrigerant: R22 or R410a • Optional hertz: 50 or 60Hz • Available capacity: 18000btu, 24000btu, 48000btu and 54000btu.