This model within the Professional Series from Yosemite Home Decor offers the most definitive and robust designs for a professional or industry inspired kitchen. Built for the most demanding cooking applications, this 36-inch under cabinet hood is controlled by round electronic switch and utilizes a powerful 4-speed, 1000 CFM dual blowers which can effectively and efficiently remove smoke, odors, and other cooking pollutants to provide your kitchen the freshness you want all the time. The model also comes with a stainless steel baffle filters effectively removing the grease and odors as they''re drawn through the hood. The two 30W halogen lamps should be more than sufficient to illuminate your cooking area. The vertical exhaust duct is 10 inches in diameter and a 10-inch damper is included. The item also has a decibel rating of 66-78Db and requires 110v, 60 Hz power input. Recommended mounting distance above cooking surface is 30 inches.