GREAT REPLACEMENT: R410a Adapter, Mini-Split, A/C Low-Loss Fitting. Converts the 5/16" SAE charging-Vacuum ports to 1/4" SAE gauge-hose set.
GOOD SEALING: Adapters leaked because of the bad seal gasket. Now we have upgraded our gasket and provide 2 kind of gaskets for your choice!!! High quality PTFE gasket and rubber gasket. Both gaskets are of good sealing property to prevent leakage.
PREMIUM QUALITY: 1/4" Male x 5/16" Female Adapter. Made of 100% high quality brass , strong sealing for durability and safety. Access valves high tensile strength while resisting corrosion.
PERFECT FIT: With 45° angle on the service port site for easier access.Perfectly fits for R410a mini split system air conditioners,HVAC,and refrigeration service.