These brass adapters perfectly fits for R410a mini split system air conditioners, HVAC, and refrigeration service:
Converts the 5/16" SAE charging-Vacuum ports to accept 1/4" SAE gauge-hose set.
Used on most of newer R410A Ductless Mini Split Systems.

5/16" Female
100% brass,access valves high tensile strength while resisting corrosion.

1/4" Male
Converts the 5/16" SAE charging-Vacuum ports to accept 1/4" SAE gauge-hose set

PTFE gasket
We have upgraded our adapters with PTFE gasket to prevent leaks. Also,we will prepare another 2 gaskets for each package to replace the old one."

Safe and Secure: Our R410a adapters feature a thimble that prevents opening the air conditioning core tube, providing complete security and preventing fluoride leakage injury during operation.
Useful Adapter: Converts the 5/16" SAE charging-vacuum ports to 1/4" SAE gauge-hose set. With 45° angle on the service port site, it provides easier access.
Wide Compatibility: Our R410a adapter perfectly fits most newer R410A ductless mini split systems, HVAC, and refrigeration services, providing a wide range of application.
Premium Quality: Our R410a 1/4" Male x 5/16" Female adapters are made of high-quality brass construction with good tensile strength, quick connect, and corrosion resistance, ensuring long-lasting use.
Service: Our R410a adapters are backed by 12 months warranty. Our attentive support team is always available to ensure you are completely satisfied with your purchase.