Nozzles are designed to unclog sewage lines using high pressure washers. Hose for 1/4" male thread, suitable for use with household and professional range of pressure washers. For cleaning impurities in sewage pipes that cannot be removed with chemicals or traditional methods. Sewer nozzles are also used for ice breaking. The nozzle shown has a swivel head with 3 holes pointing to the rear, which makes it easier to "pull" the hose. The vortex maximizes the power and efficiency of cleaning and cleaning the pipes, especially they of the inner wall.Data:Connection - Female Thread 1/4"F (Approx. 11.8 mm) Head - Rotation Max Pressure - 300 bar Max Temperature - 155 o C Material - Stainless Steel Condition-new interface: suitable for 1/4 high-speed plug interfaceScope of application: pipe diameter about 20CM;Stainless steel high pressure washer cleaning sewer cleaning nozzle, used for cleaning pipes Three-flow backward + first-class strong focus forward (Unblocking blockages) Suitable for pipe cleaners. Can be rotated, three nozzle holes on the back, spray evenly. The atomization system is filtered, not easy to block, and has no leakage. Good wear resistance, energy saving and low cost.