Valve controls refrigerant flow from access fitting. Access valve closes Schrader before disconnecting the valve preventing frost burns. Back seat valve feature to retain gas in hose when disconnecting. 1/4" Female flare. x 1/4" Male flare. 500 psi working pressure. Made in the USA
Warning: This product may expose you to chemicals including lead which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov