The Stelpro SWU Water Resistant Heater is the perfect solution for comfortable heating in non-hazardous wet and corrosive environments. This unit is corrosion resistant, completely sealed and waterproof, making it ideal for industrial applications. Available in several power rating (from 2 kW) and voltages (120 V, 208 V, 480 V and 600 V), this rugged unit will certainly meet your most unique needs.