JIONET 110V 20W Industrial White 4" Through Wall Exhaust Fan with Anti-backflow Check Valve, High Air Flow, Easy to Install, Overheating Protection,

JIONET 110V 20W Industrial White 4" Through Wall Exhaust Fan with Anti-backflow Check Valve, High Air Flow, Easy to Install, Overheating Protection,

【VENTILATION FAN with CHECK VALVE and SLIM DESIGN】This 4” 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 【HIGH AIR FLOW EXHAUST FAN】Diameter: 95mm (fits 100mm pipe); Airflow: 118 CFM, power: 20W, voltage: 110V, frequency: 60Hz, speed :2800r/ min，Noise: 40db，Air volume: 200m3/h 【EASY TO INSTALL】Suitable for wall or ceiling installation. The exhaust fan is recommended to fix with glue or screws.Convenient to clean, you can remove the motor by unscrewing the four-corner screws. The detachable design is convenient for 【OVERHEAT PROTECTION】Adopting an Axial Pipe Fan, Stronger Wind Design, Effectively Reduce Heat Generation, Can Realizes Optimal Cooling Effect.Built-in Overheating Protection Device Cuts off the Contacts when the Motor is Overheated, Which Plays a 【EXHAUST FANS】This Bathroom Exhaust Fan is an Ideal Choice for Creating Efficient Indoor HVAC System Among Kitchens, Bedrooms, Offices, Basements, Warehouses, Garage and Other Areas That Require Continuous or Regular Ventilation Exhaust Fan is Perfect for Removing Heat, Moisture, Dust and Unpleasant Odors from Any Residential,commercial, or Industrial Space. Ideal for Use in Kitchen, Bathroom, Toilets, Bedroom, Living Room, Shopping Mall, and Office. It is the Best Choice for Fresher Air Healthier Life.

Cylinder diameter: 9.5cm/3.7in (suitable for 10cm/3.9in pipe)
Panel size: 13.5 * 13.5cm/5.3 * 5.3in

Installation hole spacing: 11.3x11.3cm/4.4 * 4.4in

Height: 8cm/3.1in

Power: 20w

Noise: 40db

Air volume: 200m3/h

Rotating speed: 2800 (r/min)

Applicable area: 5 ㎡

* People who are sensitive to sound are advised not to use the duct fan in the bedroom and study room! *

* Maintain: Regularly check the Variable Vent Fan and its working environment to avoid the danger of excessive dust accumulation on the impeller, motor or protective net or shorten the service life of the fan.

* When cleaning, be very careful not to damage the balance of the impeller.

* If you find any problems with our products, please feel free to contact us by email and we will resolve the problem as soon as possible