Dimplex EUH10B74CT 10-Kilowatt 480-Volt 1/3-Phase Industrial Unit Heater Industrial unit heater with spiral-finned element and sealed ball-bearing motor Individual 20-gauge adjustable louvres for directing air flow; quiet operation Delivers optimal CFM, air throw, and temperature rise; UL- and CSA-approved 18-gauge die-formed steel housing; jumper and ceiling hanger bracket included Measures 13 by 19-1/2 by 13 inches; 1-year warranty