The 30" Microwave Hood Filler Kit, Black Includes (2) Black Trim Pieces That Cover The Gaps Between The Appliance And The Surrounding Walls Or Cabinets, Creating A Finished, Custom Look For Your Over-The-Range Microwave. These Brackets Are Compatible With Select Whirlpool Microwaves; Check To See If Your Model Number Is Compatible. This Kit Also Includes The Necessary Mounting Hardware And Installation Instructions. Designed To Fit 30" Microwaves In A 36" Opening. Installing This Accessory Will Require Basic Hand Tools And Novice Repair Experience. Remember To Unplug The Appliance Or Shut Off The House Circuit Breaker Before Installing This Trim Kit.