Value set: This set contains a single pack of 1/4 speaker caps.Each lid is equipped with chlorhee rubber O -shaped ring sealed, making it an ideal choice for the valve cover in the HVAC system.These refrigerant lock locks and HVAC locking caps are the perfect choice to system security and prevent leakage.Whether for family maintenance or commercial maintenance, these lids can provide reliable sealing and protection. Excellent design: Our brass horn cap is accurate, suitable for 1/4 copper pipes, and has 7/16-20 UNF thread.These design elements easy installation and disassembly while eliminating any potential leakage space.Whether it is a complex HVAC system maintenance or daily maintenance, our brass speakers can provide excellent sealing and reliability, making each task effortless. High -quality materials: Our 1/4 horn cap is made of high -quality brass, which can excellent ductility and durability even under bad conditions.The solid brass materials not only have solid