Hayward RC9950CUB TigerShark Robotic Pool Vacuum (Automatic Pool Cleaner) The Tiger Shark is able to scour pool floor, coves, walls and waterline in 3 hours Runs separately from the pool's filtration system reducing the frequency of filter backwash cycles No extra hoses, hookups or pumps required Unique cartridge filter system makes emptying easy, just open the cleaner, remove the cartridge and rinse with a hose Built with an efficient 24-volt motor designed to use less energy and lower cost