The 2x Suction PoolCleaner and 4x Suction PoolCleaner use your existing pump and filter for power. These automatic pool cleaners plug into either your designated suction port or the skimmer. The 2x is ideal for most average sized pools, while the 4x is suited for larger pools. Our business is Automatic Swimming Pool Cleaners. The first thing you will notice when you look at the PoolCleaner is that it is of highest quality. The PoolCleaner is robust and if maintained properly will result in many years of pool cleaning.