For Speed Microwave Models: HMC54151UC, HMC80151UC, HMC80251UC, HMC87151UC,
Use the rack "face down" (rack legs facing up) with Auto Chef, convection, to keep food warm and to fit large dishes,
Use the rack "face up" (rack legs touching bottom of oven) for broil and convection broil,
Must be placed on the 4 plastic supports in the oven when being used,
16.25" x 15.5"