Air Systems CVF Style Ventilation Kit constructed from durable red plastic includes CVF-8DC fan, 90 deg elbow for Saddle Vent, 25' duct canister that is supplied with 10' cord and battery clips. 8" Fan with rugged polyethylene housing has a voltage rating of 12 VDC and current rating of 20 A. It offers 1170 cfm maximum flow in free air and measures 17" X 48" X 18". Fan is perfect for work on boilers, utility and telecommunications companies, electrical transformer repair, open trenching, maintenance, tank cleaning, manhole entry and cleaning tanks. It meets OSHA 29 CFR 1910.303 and 1910.7 electrical certification requirements.