Polaris F9450 Sport Robotic In-Ground Swimming Pool Cleaner Vacuum 4-Wheel Drive Brand New and Improved Polaris F9450 Sport Robotic Swimming Pool Cleaner. Remote control : No Vortex Vacuum Technology captures more than four times the debris load of other cleaners Top access, large filter canister has four times the capacity of other similar cleaners 4WD technology cleans pool floor, walls, and scrubs tile line with pleated scrubbing brush Cleans all pool surfaces, pools up to 50 ft. in length, 7 day programmable cleaning cycle