ANTFEES 10PCS HVAC Service Access ValveSchrader System Vacuum 472 Copper Filling Access Valves Core Cap Remover 14 SAE x 14 OD x 4 stem AC Refrigeration Kit

Each valve has a core and a cap with valve core remover. Constructed with high-quality brass, the cap is wear-resistant and durable, they are provided with core remover and have an inside rubber o-ring. The stem is a self-contained valve which opens to admit gas to a chamber. Thread x OD: 1/4'' SAE x 1/4'' O.D. Total Length: 4.72", Stem Length: 4", Tube Thickness: 0.023", Widely used in the refrigerant system. It used to charge the refrigerant like R22, R410a or R134a and other HVAC system.