DESCRIPTION: The 49968 4-valve test and charging manifold with hoses and ball valves come packed with great features. The charging manifold comes with a fourth hose to enable connection to hi-lo-sides, refrigerant tank, and recovery unit or vacuum pump for diagnostics, evacuation, and charging without switching hoses. For refrigerant R-22, R-404a, R-410a. INCLUDED: The 49968 charging manifold set has four 60'' hoses, with 3/8” x 45° fittings, 1/4" fittings, and compact ball valves, with red and blue gauges of degrees F, psi scale, for R-22/404A/410A refrigerant. FEATURES: The 49968 charging manifold kit has large, easy-to-read 3-1/8” steel case gauges of 1.00% accuracy, proven double "O" ring piston, all mesh filter in-line on all flare fittings, easy-grip handles provide easy control, built-in sight glass, heavy duty hook, high-pressure hose set, and the fourth hose for connection to high/low side, refrigerant tank and recovery unit or vacuum pump, 3/8” vacuum port works with a larger hose to reduce pump downtime by up to 33%. MATERIAL: The unique forged aluminum alloy construction of the 49968 charging manifold body makes it lightweight for handling ease with the durability and reliability required for repeated, rugged use. Satisfaction Guarantee--100% satisfaction guarantee. Please feel free to contact us if you have any questions about our product.