CYBER&reg; Classic Seamless Stainless Steel Under Cabinet Range Hood 30" Two Motor &le;59dB(A) 30'' design Classic Seamless Stainless Steel 120v~60HZ 900 CFM Power Airflow ETL safety approvals within US and CANADA ISO 9001 Two Speed 2 Motor Electronic Switch 6''pipe exhaust air to out side(not include) Patent NO.: ZL201330480993.3