XtremepowerUS Automatic Pool Cleaner Vacuum Pool Climb Wall Cleaner W/ Hoses Vacuum inground pools regardless of size, shape, or construction require at least a 3/4 hp swimming pool pump or 1600ghp to function properly. Connects directly to skimmer or vacuum inlet, No tools required. No need for electricity. Attaches to your existing filtration system. Ideal for pools up to 16' x 32'. Dual suction design ensures pump and filter is not starved for water