1/4" Male flare x 5/16" also known as 1/2"-20 UNF Female. R410a Brass Adapter 1/4" Male to 5/16" SAE Female Charging Hose to Vacuum Pump. R410a Low-Side, for MINI-Split, A/C Low-Loss Fitting. Perfect for R410a Import for MINI Split System Air Conditioners.
