Transform your HVAC work with the Oingoo R410a adapter, a precision-engineered fitting that bridges the gap between different connection sizes. This essential adapter converts from a 5/16 inches S-AE female connection to a 1/4 inches S-AE male flare, making it perfect for air conditioning applications. The adapter ensures a secure, reliable connection for your R410a refrigerant systems. Its robust construction maintains system integrity while allowing you to connect components with different fitting sizes. This practical tool is a must-have for HVAC technicians and professionals working with modern air conditioning systems. The adapter's precise threading and durable design provide the dependable performance needed for professional HVAC installations and maintenance work. Why Choose Z-oizocp R410A Fitting Adapter? has always been committed to providing consumers with superior, durable and convenient accessories. The carefully selected materials ensure the durability in daily use6 Advantages of This Air Conditioner Adapter Kit★ High sealing★ Easy to use and durable★ Wear and corrosion resistant★ High strength without deformation★ Effectively prevent fluoride leakage★ High-end appearance and practicalExquisite WorkmanshipThis air conditioner hose adapter has a clean and complete appearance. The thread of adapter is deep and even which ensure uniform force. Precise size for high sealingWide ApplicabilityThis R410A fitting adapter features 5/16" female plug and 1/4" male plug, which is ideal for most new R410A split air conditioners, HVAC and other refrigeration equipmentAfter-Sales ServiceFor this R410A vacuum adapter. 1/4" Female plug...5/16" Package Includes2* Straight R410A adapters2* Angled R410A adapters Quality and Safety This air conditioner hose adapter is made of the carefully selected superior brass alloy, which is easy to weld, not easy to burst, and features great corrosion resistance and high hardness Specially Designed Valve The R410A adapter is specially designed with a thimble to effectively avoid opening the air-conditioning core tube during operation and effectively prevent fluoride leakage Wide Applicability This R410A fitting adapter features 5/16" female plug and 1/4" male plug, which is ideal for most new R410A split air conditioners, HVAC and other refrigeration equipment You will Get For this air conditioner adapter kit, you will get 2 pcs straight type adapter, and 2 pcs angled adapter of 45 degrees, these R410A adapters 5/16" female quick couplers to 1/4" male flare