Air Systems Contractor Grade DC Axial Fan with battery clips is a great choice for demanding job site conditions at an economical price. 8" Fan has motor that operates at a voltage rating of 12 VDC and a current rating of 19 A. It comes with 20 A fuse holder and 10' cord. Fan with 15' duct offers 702 cfm air flow with one 90 deg bend and 590 cfm air flow with two 90 deg bends. Ventilation fan meets OSHA 29 CFR 1910.303 and 1910.7 electrical certification requirements.