Drainage Or Sewage Manhole Grid System On The Street Asphalt Road How Do Sewer Systems Work? Premium Photo The Flow of Waste Water in Underground Sewer Pipes Inside underground urban sewer system. Sewage flowing in round sewer Sewer Systems and How They Work. Sewer Jetter Nozzles Kit 30m Drain Cleaning Hose for Pressure Washer 5000PSI Features: 30m reinforcement Sewer jetting hose The sewer kit clears blockages without the need for special liquids. The hose is designed to have a small outside diameter that allows the hose and nozzle to fit through sewer lines and pipes. Sewer hose is lighter, more flexible and has an outer cover which allows it to slide thru pipes more easily Kit includes one hose, 6 of the most common nozzles, 2 spanner, a box of pearl corsage pin, a waterproof tape. Inner tube is made of thermoplastic polyester, Cover layer is made of thermoplastic polyurethane. Reinforcement layer is 1 4" high tenacity polyester textile braid Fitting: male 1 4 NPT Maximum Pressure: 5,000 PSI Package Includes: 1 30m sewer jet hose, 1 button nose sewer jet nozzle, orifice 4. 0, 1 M22 female to 1 4 female NPT coupler, 1 1 4 quick connect plug, 1 rotating sewer jetter nozzle, 1 Side hole sewer jetter nozzle, 1 corner sewer nozzle. 1 waterproof tape, 2 spanners, 1 box of pearl corsage pin. Note: 1. Keep away from children 2. Water pressure is too high, do not shoot at the human body 3. The water temperature should not be too high. Rated water temperature 4. Always disconnect the accessory when finished using it. Do not leave the fitting unattended or under pressure when not in use.