Vestil Portable Infrared Heaters, models HEAT-3P-230-1, HEAT-4P-230-1 & HEAT-6P-230-1, are versatile infrared heaters for use in industrial areas. Each unit rolls on (4) 4" dia. poly-on-poly swivel casters and features an adjustable heater arm, making it easy to position the heating panels where they are most needed. Choose from three, four or six infrared panels. Vestil HEAT industrial infrared heaters have a 7' long cord and run on 60Hz, 220V/1-phase power. A simple control panel with a 0-60 minute timer allow the heat to be adjusted easily. Vestil HEAT portable infrared heaters are ideal for workplaces with limited storage, since they take up very little space when not in use.