The Mosmatic 55.153 is a high pressure swivel designed with weep holes that warn of seal failure. It is used in high pressure, high speed, self rotating, and surface cleaner applications. All stainless steel construction provides superior corrosion resistant in wet environments such as car washes and surface cleaners. Seals are made with carbide. The swivel handles a maximum pressure of 5000 PSI and speed of 2000 RPM. Connection ports measure 3/8" NPTF x 3/8" NPTM.