This Heat Deflector must be used if your warming drawer is installed directly beneath a wall oven or if your wall oven is installed flush to your cabinets. This stainless steel deflector measures 30"W and protects the items inside the warming drawer and/or your cabinetry from becoming overheated or damaged by the oven. This deflector is compatible with stainless steel models KOEC530PSS, KOED530PSS, KOES530PSS, KOES730SPS, KOEC730SPS, KOED730SPS, KOES530SPS, KOEC530SPS, KOED530SPS, MOES6030, MOED6030, MOEC6030, WOES3030, WOED3030, and WOEC3030. Installing this accessory will require basic hand tools, some disassembly of the appliance and novice repair experience. You must unplug the appliance or shut off the house circuit breaker before installing this accessory.