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 body for easy tightening. It can be used for air, water, oil, and inert gas applications. The adapter allows the connection of 3/4 inch inside diameter hose to 1/2 inch nominal pipe thread fittings.