3 backward rotating spray blasts into the clogged pipe and moves the nozzle through the pipe. At the meantime, it provides an even cleaning and flushes out debris. Sewer nozzle is easy to into sewer lines and drain pipes. perfect for flushing debris or cleaning fixed pipes when connect to a sewer jetter hose 1/4 inch Female NPT Fitting. Fits sewer jet hose with 1/4 inch male end. Orifice 4.5 Color: silver Made of stainless steel, corrosion resistant. Working pressure is up to 4000 . Water temperate is up to 310 F. Small enough to clean in all of the spaces. Feature: 1. The sewer nozzle creates 3 backward rotating spray. 2. Working pressure is up to 4000PSI. 3. Orifice size is 4.5 . 4. of sewer nozzle is 1/4 inch female NPT thread. 5. Material: stainless steel 6. Working temperature is up to 310 F. Suitable for hot water. Application: Sewer nozzle is easy to into sewer lines and drain pipes. perfect for flushing debris or cleaning fixed pipes when connect to a sewer jetter hose Tip: Serious injury will occur when spraying water to human body with high pressure. Please keep from human body. Package Contents: 1* Sewer Jetter Nozzle for Pressure Washer Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.