Wells BMW-206RT Built-In Rectangular Food Warmers are designed for bottom mount installation and to hold heated foods at safe and fresh serving temperatures. It accommodates one 12" X 20" standard food pan or equivalent fractional inset pans and are fully insulated; sides and bottom for quicker pre-heat, faster recovery and energy savings. Unit has Round Corners, 208/240V, Drain, Thermostat Controls, and UL Approved.