The NIBCO lead-free wrot copper solder pressure female adapter features a solder cup and female NPT thread. These fittings provide a means for adapting a solder connection to a threaded connection. NIBCO copper fittings are manufactured in an ISO 9001 certified facility, and backed by a 50-year limited warrantyThe lead-free wrot copper solder pressure female adapter is used in residential and commercial systems such as potable water, air conditioning and refrigerationDezincification resistantThe lead-free wrot copper solder pressure female adapter is durable and low maintenanceOptions also include cleaned and bagged for oxygen service medical gasASME B16.22Third-party certified to NSF/ANSI 61 and 372