Whirlpool Part Number 99401: PANL-FILLR PURCHASE THIS BLACK UNIVERSAL HOOD FILLER KIT TODAY. THIS ITEM TAKES CARE OF 36 INCH OPENINGS. IT IS DESIGNED TO FILL THE SPACE ON EACH SIDE OF THE MICROWAVE WHEN INSTALLED BETWEEN CABINETS. THIS KIT ALSO FITS OVER-THE-RANGE MICROWAVES THAT MEASURE 3 IN. WIDE X 13 IN. HIGH X 11 IN. DEEP. Works with the following models: Whirlpool GMC305PRY, KitchenAid KCMS155RSS, KitchenAid KOMS155LSS, Roper MHE14XMQ