The Baumatic BT9-3GL Chimney style Cooker Hood is contemporary and easy to use. Features include 3 ventilation speeds and easy to use push button controls. With this appliance you have the choice of using either external re-circulated ventilation.The noise levels of the BT9-3GL have been measured at 61(db). A normal conversation between people stretches from 60(db) to 70(db). Features include two 20w halogen lights and two washable metallic grease filters. The extraction rate for this model is 500m³ /hr.