Goby® WE000004 Pressure Side Pool Cleaner with Back-Up Valve 31' Hose, 3 Jets, Gray/White is designed to blend with light-bottom pools. Goby features an all-wheel belt drive mechanism for greater vacuum power and faster cleaning. Powered by three Venturi jets, GOBY sweeps, scrubs. This pressure side pool cleaner vacuums the floor, walls, and steps of the pool and holds debris in its single chamber filter bag. GOBY removes debris before it reaches the pump basket or filter; prolonging filtration system life. The GOBY works in all inground pools and requires a booster pump. Parts are in stock and available everywhere.