Cyclone (TM) 8 Inch Inline Duct Hydroponic Fan Blower with 720 CFM Quiet Operation - 5 Year Manufacturer Warranty Max Wattage: 203w , CFM: 720 , Amps: 1.72 , Voltage: 120v , RPM: 2530 , Hertz: 60hz Quiet Operation - Cyclone fans are designed to operate both quietly and efficiently. Thermal protected AC motor. Durable Design  Cyclone fans are encased in a durable powder coated metal housing. Includes mounting bracket. High Quality Impeller  Equipped with a high quality impeller to ensure both a strong and steady air flow. 5 Year Manufacturer Warranty! (CE Certified and UL Listed)