MTM Button Nose 1/4" F 4.5 Orifice Laser Fixed Sewer Jetter Nozzle 4000 PSI 1/4-Inch Female Fitting - Fits 1/4-Inch NPT male sewer jetter hose fittings 3 Rear-Facing Jets - Moves the nozzle along, providing an even cleaning & flushes out debris