GE JX36DSS 36" Over-the-Range Microwave Accessory Filler Kit Microwave Filler Kit to allow a standard 30 microwave to fit into a 36 opening Parts Included 2 Trim kit side mounts, 2 installation screws, 1 connection bar This kit is best installed with 12 base cabinets or with 15 cabinet installation kit JX15BUMP