The Grainger Approved Hose Adapter is a brass hose adapter that connects 3/4 inch hose to 1/2 inch pipe thread. It has a maximum pressure rating of 300 PSI and temperature rating of 250 degrees Fahrenheit. The adapter is made of forged brass for durability and has a hex head for easy tightening. It can be used for air, water, oil, natural gas, and inert gas applications. The adapter measures 1-1/2 inches long with 3/4 inch hose barb on one end and 1/2 inch male pipe thread on the other end.