10X Service/Access Valve 1/4″ SAE *1/4″ OD *2.75″ Stem Core AC Refrigeration Kit
Consist of a valve stem into which a valve core is threaded. The valve core is a poppet valve assisted by a spring. Used on many refrigeration and air conditioning systems to allow servicing, including recharging with refrigerant such as R12 R22 R134 & R304 and other popular refrigerants.