The small cleaning nozzle can easily fit through tight spaces. Besides, the powerful spray gives you a quick and easy cleaning for clogged pipes, drains and gutters. BUTTON NOSE SEWER JETTER NOZZLE WITH 1 FORWARD 3 REAR JET PATTERN: The special stainless-steel drain cleaning nozzle (The orifice is 4.0) has 3 rear facing jets at 33° spray angle which help to propel the hose along the drain or pipe, cleaning as they go and 1 forward jet at 0° spray angle to cut through the debris.
eBay