The Pentair 360257 is a Rear Thrust Jet Hose Kit for a Racer Pressure Side Cleaner. Pentair Racer Pressure-Side Inground Pool Cleaner has nearly 1/3 more cleaning power and 40% larger intake than other pressure-side cleaners. It is quick and simple to use— just attach the dedicated pressure line and it goes to work. It also has an adjustable flow gauge to regulate the Racer cleaner's speed for even greater control. The NightCruize® LED Lights offer pool illumination for after-dark clean up. Racer has four venturis, a built-in rotating brush and the industry's largest vacuum tube — 40% larger intake than other pressure-side cleaners for more powerful cleaning. This kit is a genuine Pentair product.