Threaded barb adapter fittings allow for quick and easy connection of Eldon James PVCBPA free tubehose ends to almost any component. Threaded adapters available in a variety of thread types, NPT, UNF, NPSM, NHR, BSPT, and Metric. Threaded Adapters , Bulkhead Fittings , Panel Mounts, Pipe Nipples, Garden Hose and Color Code Clips threaded component solutions for the medical, food & beverage, and automotive industries.