Aiqidi 4'' 310 CFM Inline Duct Fan IP2X Silent Waterproof Exhaust Ventilation Blower Air Circulation Fan Cooling Booster

Split Design, Removable And Washable, Easy To Install And Clean Pure Copper Coil, Higher Power And Longer Service Time; Double Ball Bearings, Strong Power Cold Rolled Stator Steel Plate Has Good Magnetic Conductivity And Faster Running Speed Ip2X Waterproof Grade Ensures That The Machine Maintains Good Performance In Humid Environment 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