VIVOSUN AeroWave Portable 6 in. Smart Wifi Control Clip Fan in Black with Fully-Adjustable Tilt for Hydroponic Ventilation

This patented clamping fan can easily hold tight on round, square poles, and flat surfaces without slipping. Its clamp has a thick rubber pad to ensure it does not slip or scratch surfaces. At only 33 dB at its loudest, this fan is driven by a dual ball bearing EC motor which has an extended lifespan. Innovative design provides a natural wind mode that simulates the natural.