The Pro Air & Water System is the premier driver cooling system on the market today. Used by drivers in all levels of racing, this system delivers the ultimate in driver cooling comfort. The Pro System delivers cooled water to the drivers COOL SHIRT while providing cooled, HEPA-4 filtered, blower-enhanced air to the helmet via a 135 or 235cfm blower. Comes complete with Temperature Control Switch and mounting tray with straps, available as PSAWC-12 or 24.