The Polaris 9450 Sport provides best-in-class cleaning performance and features. With Vortex Vacuum Technology that enables extraordinary cleaning power without losing suction, the 9450 Sport tackles any pool terrain and climbs over obstacles without getting stuck. The 9450 Sport 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. That means fewer filter cleanings (up to 70% less), and lower operating costs (pennies per day). By engineering the machine with top access large capacity filter canister, debris can easily be emptied with a simple shake and spray convenience. Never touch debris again! The 9450 Sport is the only Polaris robotic to feature a new 7-day programmable timer, with fully customizable cleaning cycles. Simply set it and forget it. And, its ActivMotion Sensor allows the cleaner to automatically sense its position in the pool and adapt its path for optimized cleaning while reducing cord tangling. The 9450 also includes a NEW lift system. With the touch of a button the 9450 surfaces to a desired location and waits for you to grab it, then automatically evacuates water for effortless removal from the pool. The 9450 Sport cleans pools up to 50 in length. It weighs just 16 lbs and includes a new premium, compact transport caddy that can be assembled without tools. Model is backed by a 2 year limited warranty.