* Converts new R410a style 5/16 SAE service ports to accept older 1/4 SAE gauge hoses
* Fits for R410a mini split system air conditioners,HVAC,and refrigeration service.
* Material: Brass
* This connector has a thimble,in the course of the operation,it will not open the air conditioning core tube,completely solve the problem of fluoride fluoride leakage injury, is guaranteed.
* Connection Size: 1/4" SAE Male x 5/16" SAE Female Quick Coupler