DBSL02250B12SAM2LTD0000xxxxx 28in. 500W, 120V 1Ph, 4.17A QMARK Slimline Aluminum Convection Heater with a Single Heat Deck Standard Layout. Controls Options Include Left Hand Incoming Power, Single Pole Thermostat, Disconnect Switch. Cabinet to have Aluminum Finished Front and Mill Finish Finished Back with Bottom Inlet, Knockouts on Back, End Caps. QMARK