With Vortex Vacuum Technology, the Polaris F9400 9400 Sport Robotic Pool Cleaner cleans all pool surface types and scrubs the floor, walls, and tile line with a pleated scrubbing brush. This machine has an all-purpose filter canister that has 4 times the capacity of other similar cleaners. The 9400 features a new 7-day programmable timer, with fully customizable cleaning cycles. Its ActivMotion Sensor allows the cleaner to automatically sense its position in the pool.