Sndoas 30 inch 1000 CFM Under Cabinet/Wall Mount dual installation range hood,can be as under cabinet range hood or wall mount range hood, wall mount installation requires a separate purchase of a chimney cover for decoration. With heating auto-cleaning function, thermal auto-cleaning function,you don't need to add water to clean, high temperature dissolves oil stains to avoid washing to leave scale, corrosive the inside of the stove hood. Gesture& touch control,only need to swing and wave your hand,the range hood will be on/off, you can operate th machine even your hand is wet or not free to touch the panel, very easy and convenient to control. Tempered glass surface is elegant and also easy to clean，only need to wipe with damp cloth， the stain will gone. Included two nano-coated baffle filters that not only protect your hood by trapping particles of grease, but also removable and easy to clean. Comes with a 6 foot expandable ducting. Duct Size: 6.9 in.(NO chimney cove included，need purchase separately)