XtremepowerUS G3 Inground Automatic Swimming Pool Cleaner Vacuum Auto Hover Climb Wall 33ft Hose Vacuum inground pools regardless of size, shape, or construction Ideal for pools up to 16' x 32'. require at least a 3/4 hp swimming pool pump or 1600ghp to function properly. No tools required. No need for electricity. Attaches to your existing filtration system.