Wall-Mounted Exhaust Fan 4 Inch 20W 117 CFM Powerful Ventilation Extractor with Anti-backflow Check Valve Blower for Window Bathroom Duct Glass Grow Tent Vents (Color : White, Size : 4")

4 Inch Exhaust Fan Metal Iron Ventilation Extractor 117 Cfm Powerful Kitchen Extractor Fan Silence 20W Window and Wall Mount Vent Fans with Anti-backflow Check Valve 110V Industrial Vent Blower for Home Office Kitchen Bathroom Greenhouse Garage Outrdoor Indoor Heating Cooling Ventilation【Features】1. Optimized design of blades improves efficiency and reduces noise;2. With low noise, large air volume, high efficiency, stable wind pressure;3. It is suitable for ventilation in factories, rooms, office buildings, restaurants and entertainment places;4. The shell and impeller surface adopt advanced technology spraying treatment, the color is soft and bright, lasting;5. It is safer than the traditional plastic fan.【Specifications:】Name: Ventilator fanCylinder diameter: 95mm (for 100mm tube)Panel size: 133*133mmMounting hole distance: 113x113mmHeight: 60 mmPower: 20 wNoise: 40 dbweight：0.5kgQuantity: 200 m3 / hSpeed: 2800 (r/min)Material: iron and sprayMotor: pure copper motorApplicable area: about 3-5㎡【Tips】1.DO NOT install the exhaust fan in a place that could be easily sprayed by water.2.Installation must be wire-connected according to the wiring schematic from this manual.Pay attention to check whether the connecting parts are loose or not, and the blades and the 3.cylinder case are evenly spaced, could not be conflicted during installation.4.This fan should NOT be used while lifting, for lifting.5.After the installation is completed, it is necessary to carry out the trial transfer first, and the normal operation can be used.

• ☎【HIGH AIR FLOW EXHAUST FAN 】4" duct size and about 133mm/5.23" panel size - diameter: 95mm (for 100mm tube); Air Flow: 117 CFM, Power: 20W, Voltage: 110V AC, Speed: 2800r/ min; Noise: 40 db. Adopts double ball bearing outer rotor brushless motor to
• ☎【STABLE & DURABLE EXHAUST FAN】The 4 inch ventilation fan is made of high-quality metal materials, with a bright surface, anti-scratch, that's heavy duty and can't be broken easily compared to plastic material, and longer life of the ventilation
• ☎【VENTILATION FAN with CHECK VALVE 】This air duct vent has check valve. You can keep air reversible or exhausting cooking odors by your request. When the airflow stops, it can be closed by spring automatically. And if you don’t need the check valve,
• ☎【EASY TO INSTALL & EASY TO CLEAN】 The wall-mounted vent fan Suitable for wall or ceiling installation. The exhaust fan is recommended to fix with glue or screws. you can remove the motor by unscrewing the four-corner screws, is convenient for
• ☎【WIDELY USED WALL CEILING WINDOW VENTILATION FAN】Extractor fan Without a plug, you can do it according to your actual situation. 4 inch exhaust fan can remove exhaust gas and ventilation with quickly and quiet way, ideal for creating efficient