Cooling compressor water dispenser 1) New style of 2009, top grade and magnificent design; 2) The color of tap and body can be changed as OEM production; 3) Water guard for non-spill closure and safe thermostat for anti over heating; 4) Refrigerant in compressor is R134a (green substance); 5) Inner heating tube and outer heating band are available for all model;6) POU style (flat top and piped in water) are available for all model; 7) With filtration system (2 4 filters) and UV sterilizer are available for all model;8) Digital style (micro chip controller and display) are available soon; 9) Extra hot style (re-heating button) are available soon. oswellaqua.com