Make a 30" Over the Range Microwave fit a 36" spot with this universal trimkit. Fits virtually any 30" Over the Range Microwave. Double check your height requirements, if this is too short, check out the FK3-SS. Included are two 3" L side pieces, Covers the front and bottom gaps left by the over the range microwave. You can also flip the L pieces and make it a place for cookbooks. Stylishly Hide Unsightly Gaps when Mounting Undercabinet Microwaves Constructed from High Quality 22 Gauge Cold Rolled Steel Easily Installed Directly to the Side of your Cabinetry For Mounting Beneath 12" Cabinets with 36" Opening Made in the USA