The Cloudray S4 is a new 4-inch grow tent clip fan designed for indoor growing setups. This item features auto oscillation and an IP-54 weatherproof rating, which may be useful in humid tent environments where airflow management matters. Free shipping is included, making it easier to compare total cost before buying. As a clip fan for grow tents, it may suit shoppers looking to improve air circulation around plants in small to mid-size spaces. If you are matching accessories to an existing setup, the 4-inch size is a practical buying note to keep in mind. Check the listing for full details. CLOUDRAY S4, Grow Tent Clip Fan 4”, Weatherproof IP-54, Auto Oscillation. Color: Gray, Condition: New. Listed at 49.99 USD. CLOUDRAY SERIES - A6. The specialized compact motor achieves a higher wind velocity than that of larger clip fans (at maximum speeds), ensuring full space coverage. Maintains 10 oscillation ranges to focus on targeted areas or achieve wide coverage while avoiding obstacles.CLOUDRAY SERIES - A6. The specialized compact motor achieves a higher wind velocity than that of larger clip fans (at maximum speeds), ensuring full space coverage. Maintains 10 oscillation ranges to focus on targeted areas or achieve wide coverage while avoiding obstacles.