Americ VAF 1500DC Blower/Extractor 12V DC (15 AMPS) 1/4HP Motor 8 Inch Dia Duct 696 CFM Air Flow. Designed for remote locations where power sources such as wall outlets and generators are simply not available. The VAF-1500DC connects directly into a vehicles 12V DC system via alligator clips that clamp directly to the battery, or by means of a lighter plug. .Utility, telephone, and construction crews can breathe easier with the VAF-1500DC (blower/extractor). This unit provides the needed power to purge manholes and sewers of stale, toxic, or oxygen deficient air. Manufactured in InchSafety Yellow Inch the VAF-1500DC is easily visible at street level and in low light conditions