Allstar 12V Electric Helmet Breather with Reusable Filter has a self-contained, 12 volt fan with a reusable filter. It features an rf connector for easy unrestricted helmet removal. A 14 inch fan wire accepts the 24 inch pigtail (included). The pigtail has very simple red (+) and black (-) wire hook-ups. The replacement breather filter (Allstar part 13013) is also available separately..