Design Engineering 080301 CryO2 Purge Kit - Dual Purge Valve (Tube Only) Dual Purge Valve (Tube Only) A purge blast of CO2 will turn heads, command attention and crank up the "wow" factor a few notches. Purging will clear the lines of any condensation or left over gasses before use Mounting locations includes hood scoops, front grille, air vents and fender wells Kits includes a pre-assembled valve