These Microwave Filler Kits by Imperial are the perfect range hood accessory. Available in white, black or stainless steel, the kits easily install in your kitchen area if your microwave is too small for the space given. The kits simply mount to the sides of your cabinets prior to installing your microwave and line up with the bottom of your cabinets. Multiple sizes are available and each kit is made of 22 gauge steel for durability, strength and fire protection. Ships via UPS/FedEx Ground.