30Pcs Access Service Valve, 1/4'' SAE x 1/4'' OD x 3.54'' Stem Core Brass Copper Filling Access Valves, Air Conditioner Service Valve Charge Needle Valve

【Access Service Valve】The Hvac schrader valve with 1/4" SAE x 1/4" OD x 3.54" stem, the core is a poppet valve assisted by a spring that is threaded into the steam., 【Material】The access valve is made of corrosion-resistant metal that won' t wear out or rust over time. The stem is a self-contained valve which opens to admit gas to a chamber., 【Application】These hvac service valves are generally used to have an easy access to many refrigeration and air conditioning systems for vacuum, charging, pressure checkup and other applications. And the bullet piercing valve(not included) and access service valve can be used together for air conditioner refrigerant system., 【Package】30pcs access service valves are in a package for your longer time and multi-systems using, each valve has a core and a cap with valve core remover.