About This Professional Design with 4 Front Jets+6 Rear Jets: Ideal for Sewer Cleaning. The front 4 holes strongly cut and break stubborn dirt on the side, and the rear 6 holes drives the nozzle forward and flushes debris Upgrade 360 degree Rotating System: Effectively clean stubborn dirt, leaves, and dust. Perfect for cleaning municipal sewer systems, drainage ditches, and other hard to reach areas Accurate 3/8 npt Female Fitting: Recommended for use with 70L/min high-pressure cleaning equipment to achieve the strongest cleaning effect Whole Body Stainless Steel: sturdy and durable, ensuring a long service life How to Extend Its Service Life: After each use, it is recommended to wait for water to dry and store it in a dry environment, or spray some rust proof oil Necessary Professional Cleaning Tool: Please confirm the flow rate and connector size of your high-pressure cleaning machine before making a purchase For 2900 PSI, 40 L/min Pressure Washer Overview Material : Stainless Steel Brand : zzhanff Item dimensions L x W x H : 3.5 x 1.5 x 1.5 inches Exterior Finish : Stainless Steel Inlet Connection Size : 1.5 Inches Inlet Connection Type : National Pipe Tapered Outlet Connection Type : NPT Maximum Operating Pressure : 2900 Pound per Square Inch Number of Ports : 1 Outlet Connection Size : 1.5 Inches