3/8inch NPT Thread: This swivel coupler is designed with accurate 3/8 Inch NPT male to female threads, ensuring a secure and leak-free connection for your pressure washer system. High-Pressure Performance: Max Working Temperature is up to 120℃/250°F, suitable for hot and cold water. Made of high quality stainless steel. Max Working Pressure: 4500 PSI. Max Rate: 30.0 GPM. Application Scenario: This pressure washergun swivel can help you connect to hose or hose to hose. It rotates easily, addressing the wrist strain that often affects pressure washer users, ensuring comfort during extended use. Anti-Twist & 360-Degree Rotation: This Kink-free Swivel Joint for the pressure washer helps prevent the hose from becoming tangled, kinked, or twisted under pressure. This design prevents hose wear and improves operator inconvenience. perfect for replacing existing fittings or having a spare on hand for unexpected repairs., Manufacturer: Littimoon