Auto Pool Cleaner is a hassle-free solution as it effectively vacuums the entire pool floor automatically. Not suitable for in-ground pools, this pool cleaner was designed for Intex above ground swimming pools with 1-1/2in hose fittings and attaches to the inlet connector in the pool with a 24ft 7in hose Robot vacuum cleaner. It is very simple to start thanks to its Venturi system it connects to the discharge nozzle (diameter 38 mm), the pressure of the water makes it work and change direction every 30 to 50 seconds. The circulation of the water on each side allows it to be ballasted. Mounts partially to the walls. The self cleaner must be connected to a filter pump with a flow rate between 1600 and 3500 gallons/hour (6056 - 13248 liters/hour). The self cleaner must be connected to the outlet of the filter pump.