Kokido K905CBX Butterfly Automatic Cleaner with 80cm Hose is suitable for both in-ground and above-ground pools with 1600 GPH or higher filtration pumps. This vacuum is a high quality and easy solution for everyday pool maintenance. Simply attach the Butterfly Pool Vacuum to a compatible pump, toss it in the pool and let it do the work for you. The membrane suction system ensures easy passage of debris and low maintenance because its only got one moving part. Requires pump of 1,600 GPH or higher to operate.