Ultra quiet. 300 to 430 CFM with only 4.5 sones in high speed and 0.4 sones on low speed. Centrifugal motor, electronic control with 3 speeds mode at full power, 3-intensity lights with 2 halogen PAR20/50W bulbs (not included). «ClearSence» charcoal filter (ductless) not included. Filter's color changes when it has to be changed. Easy to clean lower surface with nonstick PTFE coating. With its cyclonic effect, the range hood leaves no contaminant escape into the house. Four possible installations: Vertical or horizontal with 3 1/4 in x 10 in, vertical installation with round duct 7 in or ductless installation. Included: 3 1/4 in x 10 in duct or round duct 7 in. Professionnal filter included. Charcoal filter # BPSF30 (1540107). Professionnal filter BPS3FA30 (1540108). Micromesh filter # BPS2FA30 (1540109). Ducted or non-ducted installation. 1-year limited warranty.