I got 2 that push 72 cfm . 1 pushing hot air up top , 1 pulling cool air at bottom of a 36 cubic ft. 250 watt hps c-13 cabinet -n- mine work great . But I do have a cheap ass 20.00 4in. duct booster fan drawing heat off the hood n out of cabinet also .
Peace
Crispi :jointsmile:
xcrispi Reviewed by xcrispi on . Fan installation question I was wondering if 2 120VAC 4" Fans from radioshack would work for air circulation for a grow cab I'm building? The fans are 22 watts 65CFM airflow, if that helps. Anyway, I was wondering how to make one fan move air faster than the other because I guess its bad to have them both running at the same speed? Any help is greatly appreciated. A picture of the fan is below.:jointsmile: Rating: 5