Dolphin E10 Above Ground Robotic Pool Cleaner is a self-contained robotic cleaner that scrubs and vacuums the floor of smaller in ground and above ground pools. The Maytronics Dolphin E10 Robotic Pool Cleaner was designed to clean your pool floor efficiently and effectively in a swift 1.5 hours. The E10 was specifically designed for above ground pools, making it perfect for pools up to 30 ft. The E10 does not require any additional pumps or hoses to get the job done.