The Suttner ST-340 is a high flow swivel designed for use in applications involving spray guns and booms in car wash applications. German engineered components are high quality and are built to last. It is constructed with a brass body, PTFE bearing, and double PTFE slide rings for ease of movement. Connections feature 1/2" Male x Female NPT threading. The swivel handles a maximum flow rate of 42 GPM and pressure of 3200 PSI.