The NIBCO® lead-free wrot copper solder pressure fitting reducer is used in residential and commercial systems such as potable water, air conditioning and refrigeration. Options also include cleaned and bagged for oxygen service (medical gas). The fitting reducer features a male solder end and solder cup. The fitting provides a means for reducing the size of a line. Please refer to NIBCO technical data sheets and catalogs for engineering and installation information. In addition to its inherent qualities of beauty, durability and low maintenance, coppers reusability makes it an ideal application in sustainable projects. NIBCO® copper fittings are manufactured in an ISO 9001 certified facility, and backed by a 50-year limited warranty. Because of its longstanding reputation for innovation and precision in design and manufacturing, NIBCO is the preferred brand in the industry.