Here's the revised content in English, with adjusted language structure while maintaining the original semantics, and keeping the total word count around 500:

This multi-purpose fan, certified by UL, boasts a tilt-adjustable feature to focus the airflow where it's needed most. Equipped with 3 speed settings, it delivers maximum air circulation. Notably, the motor in this unit is open, rather than enclosed. The tilt-adjustable design allows for precise directional control of the airflow. Constructed with a durable metal housing, this fan can withstand tough environments. It's an ideal cooling and/or drying solution for garages, workshops, and kitchens. Moreover, the product comes with a 1-year warranty.

Specifications: KEEP COOL WITH POWERFUL AIRFLOW - Whether you're working with machinery in a large shop, warehouse, or relaxing on your patio, our 20-inch fan can meet your cooling needs. POWERFUL PERFORMANCE - Our fans are designed to help you beat the heat on those sweltering summer days when you need robust air circulation. Great for those who enjoy the soothing white noise while sleeping. VERSATILE DESIGN - Featuring 3 speed settings, a tilt-adjustable function, a portable handle, and UL certification for safety, this fan can be placed on the floor or mounted on the wall in your kitchen to circulate hot air. STRONG AND STURDY CONSTRUCTION - The all-metal, heavy-duty housing is easy to assemble and disassemble for convenient maintenance. The small grid spacing helps prevent accidental fingers or paws from getting inside. WARRANTY - At B-Air, we engineer quality, durable, and reliable products. That's why we stand behind our 1-year warranty, and hope you will too.

product information: