This Microwave Side Panel Kit can be used to fill in extra space around your over-the-range microwave. Kit includes (2) filler panels, mounting hardware and installation instructions and is designed for use in 36″W openings under 12″ cabinets. This is an accessory that can be used across several over-the-range microwave brands; check to see if your model number is compatible. Installing this accessory will require basic hand tools and novice repair experience. You must unplug the appliance or shut off the house circuit breaker before installing this part. Helpful Tip: The filler panels must be in place before you install your microwave oven.