Manifold Gauge, Number of Valves 2, R-12, R-22, R-502, Number of Hoses 3, 6 ft, 0 to 500 psi, 30 in Hg to 350 psi, +/-3-2-3 Percent, 1/4 in, Aluminum, Valves Have Floating O-Ring Sealing System, Which Resist Flutter and Surge, Includes Sight Glass. This item has been restricted from sale in the following state (s): []