The MICROVISOR® mini hood is 29 7/8″ wide, 1″ high at the front and 1 1/2″ high at the back of the mini hood. It is 8 1/2″ deep (front to back) and when inserted into the bracket it projects forward of the microwave oven by 6 1/2″ in order to capture the smoke, grease and odors. The bracket is a 2″ deep (front to back) patented ″C″ clip design that attaches in less than two minutes. The MICROVISOR® mini hood is simply inserted into the bracket and removed by simply pulling it out. What our installation video for easy-to-follow installation instruction. The MICROVISOR® mini hood installation was designed to be installed easily by one person with just a screw driver in less than three minutes.