1.Fan heater with air purification. 2. PTC safety heating element. 3.With twin E.S.P.filters, 4.Remote ... with air purification with twin E.S.P filters, PTC heating elements, timer, and remote control*Thermostat can set to customer's ... protection: both sied cover opened protection and tip-over protection*PTC heating element: 1,500 to 1,800W*Quiet fan,Noise<45dB ...