This Comfort Zone high-velocity wall fan provides an exceptional solution to keeping your environment cool and comfortable. It features a 2-speed control so you can choose between lower-velocity and high-velocity output. Optimization of airflow provides efficient air circulation for your garage， or workspace. Equipped with an adjustable-angle steel arm， the high-power fan has an adjustable head that can be tilted to direct the flow of air wherever it’s needed. Integrated adjustment knobs lock the fan head into place at the ideal angle， without the need for tools. You can easily unlock it and make further adjustments to meet changing conditions or needs. The all-metal fan with individually balanced aluminum blades features solid construction with a heavy-duty motor that has fully-sealed bearings for durability and lasting performance. A metal cage protects fingers and hands from accidentally connecting with the blades and the grounded power cord on the wall fan meets OSHA safety requirements. All Comfort Zone industrial products are designed and tested to meet global quality standards including UL， ETL， SAA， CE， NOM.