Convert your Panasonic 1. 6 cu ft. countertop microwave oven to a built-in model with the 30” microwave trim kit. This Trim Kit consists of the trim frame, an upper, lower, and rear duct that attaches to and encases the microwave inside the cabinet cut-out opening to give your kitchen a stylish look while freeing up precious countertop space. Designed for use only with the NN-SD7**S | NN-SN7**S.