4 Inch Hydroponic Tube Fan (100mm) | Growmax

4 Inch / 100mm Hydroponic Ventilation Tube Fan - Perfect For Grow Tents

Growmax tube fans, commonly found in computers offer unprecedented reliability over all other brands. The quality lies in the sealed, ABEC 7 rated bearings as opposed to the open bearing cases used by cheaper currently available versions. Expect higher
pressure ratings, higher airflow volumes and a longer life from Growmax fans.