US Patented Square Design: 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
Strong Airflow & Low Noise: At only 33 dB at its loudest, this grow fan is driven by a dual ball bearing EC motor which has an extended lifespan
Auto Oscillation: This clip-on fan supports 90° horizontal automatic oscillation with 80° manual vertical adjustment