8 Inch Inline Duct Fan with Dual Speed Controller

Fan body is made of eco-friendly PP plastic with beautiful lines and double insulation.Fan blade is designed according to fluid dynamics principle to reach optimal airflow and air pressure. Japanese NMB ball bearing with long working life over 50000 hours. Special design of joint for easy installation and maintenance,IP44 protection class. Dual?Speed Controller: Touch screen design to switch between high and low speed, the dual-speed controller has no cord, it is more Convenient.Power supply: 27A 12V Battery (Not included); Flat back surface,can be installed on walls, desktops, glass, etc. Note:No plug- the duct fan come with 120V power cord. No Battery. Parameter Dimension 302*231*217 mm Speed Voltage 110 ~ 120V / 60 Hz High / Low Current 1.27 amps L 1.47 amps H Power 146 W L 162 W H Speed 1950 RPM L 2450 RPM H Air Flow 690 m3 / h L 840 m3 / h H Air Pressure 274 Pa L 352 Pa H Noise 55 dB L 63 dB H Production Class IP44 Package include:1 * Inline fan, 1 * Speed Controller, 1 * Manual