Product Features：

The item includes one straight and one elbow hose barb, made of stainless steel. The elbow one features a 90-degree elbow & straight shape for connecting hose to threaded pipe conforming to the National Pipe Thread (NPT)standard at an angle, and the straight one features the normal straight one. The size is 3/8" Hose Barb x 1/2" Male NPT. This adapter is for a fixed connection between plastic orrubber hose and pipe made of copper, nylon, or plastic.