Intex Auto Pool Cleaner Requires a filter pump with a flow rate between 1,600 - 3,500gph Attaches to the inlet connector in the pool with a 24'7" hose For Intex above ground pools with 1-1/2" hose fittings Not suitable for in-ground pools Ensure the cleaner is set up properly and all air pockets are removed from the cleaner hose to have maximum performance. Please refer to user manual before use