Features and Benefits:�National Pipe Thread Fine (NPTF) male threaded adapter for connecting a hose to an NPTF threaded female end�NPTF male threads on both ends for connecting two pipes�Zinc-plated metal alloy for greater resistance to corrosion than non-plated metal�Heavy duty for high pressure applicationsThe product is Heavy Duty/High Pressure Adapter. The product is manufactured by Alemite LLC and made in United States.