For when you need extra insurance that the food in your hot food carriers stays hot enough, use this granite Gray cam warm ER plate. Inserting it onto the bottom rail of front-loading food carriers ensures that food above it stays above 140 and degree; F; you can also use it to pre-warm the empty cabinet beforehand, which is safer than using hot water to do so. Fits models: camcarriers: 300MPC, 1318Mtc ultra pan carrier: UPC400 ultra camcarts: UPC600, UPC800 keeps hot food above 140 and degree; F use 1 or 2 per compartment can be used to preheat empty carriers stackable dishwasher safe conforms to HACCP guidelines model and numb;: 1210PW 106454.