This stainless steel, twin, 4-quart food warmer/cooker comes with separate thermostat and power controls for each vessel for ultimate control. Includes two 4-quart stainless steel vessels with hinged lids that stay upright when open for easy serving. Lid rims retain moisture to keep food flavorful. Passes NSF rethermalization test for safe heating of frozen product. Water fill line avoids overflow spills to keep counter tops clean and dry.