OUKANING 4 Round Inline Duct Exhaust Fan Split Ventilation Silent Vent Air Blower Air Circulation Fan 310CFM

Pure Copper Coil, Higher Power.Double Ball Bearings, Strong Power; Cold Rolled Stator Steel Plate Has Good Magnetic Conductivity And Faster Running Speed The Guide Air Ring Is Combined With Aerodynamics, So That The Exhaust Is Stronger, The Speed Is Higher, The High-Speed Operation Is Not Deformed, And The Air Flow Is Smooth Ip2X Waterproof Grade Ensures That The Machine Maintains Good Performance In Humid Environment Split Design, Removable And Washable, Easy To Install And Clean This 4 inch Ventilation Kit has a wide variety of application, you can use it at kitchen, grow tents, grow rooms, bathrooms, kitchens, greenhouses and more