... S.P.filters, 4.Remote control 5.Quiet fan *PTC heater with air purification with twin E.S.P filters ... , PTC heating elements, timer, and remote control*Thermostat can set ... : both sied cover opened protection and tip-over protection*PTC heating element: 1,500 to 1,800W*Quiet fan, ... gift box/Brown box(optional)3 units/master carton PTC heater with air purifier,6079E