Variable speed for more venitlation options, Additional sizes can be specially ordered (minimums apply), Use for recirculating operation, Stainless steel and black range hoods also available in this size and series, Provides thorough filtering to reduce odors, Designed to match 24 inch ranges; also available in 20, 30, and 36 inch widths, Switchable light offers more convenience in your kitchen, Solidly constructed for years of use