4 Inch Inline Duct Fan with Dual Speed Controller

Description 【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 comes with power cord. No Battery. Parameter Dimension 302*97*195 mm Speed Voltage 110 ~ 120V / 60 Hz High / Low Current 0.22 amps L 0.24 amps H Power 28 W L 30 W H Speed 1850 RPM L 2200 RPM H Air Flow 165 m3 / h L 198 m3 / h H Air Pressure 131 Pa L 156 Pa H Noise 26 dB L 31 dB H Production Class IP44 Shipping Package include: 1 *?Inline fan, 1 * Dual Speed Controller(No battery), 1 * Manual Shipping Details