This is a garden hose coupling (also known as GEKA) with G 3/4-inch male threads. The garden hose coupling has a symmetrical and non-shut-off design with a 40 mm distance between the claws. It is made of brass with an NBR (nitrile rubber) seal. The maximum operating pressure is 25 bar (363 psi). The coupling is suitable for temperatures between 0 to 80 °C (32 to 176 °F).