Aoibox 24 in. Black High-Velocity Industrial 3-Speed Ventilation Metal Wall Mount Fan for Warehouse Workshop Factory

A heavy-duty 3-speed thermally protected PSC motor makes our High-Power fan the most powerful metal wall mount fan on the market. It came with Newest Technology in Dual Ball Bearings while most of the other competitors on the market are using Sleeve Bearings. The sturdy metal frame is also easy to clean. Loosen the knob and adjust the tilt of the fan head to get air to blow exactly where you need it most.