Polaris Sweep Hose Tail Scrubber (Set of 5) For Polaris Vac-Sweep Pool Cleaners - 9-100-3105 X 5 The Polaris Tail Sweep Scrubber Is Used to Scrub The Pool Surface and Clean Tight Corners and Steps, While Protecting The Tip of The Tail. This is a Set of 5 Tail Scrubbers, Which Fit Over The Tip of The Polaris Sweep Tail, B5. Replace The Tail Sponges When They Wear Thin. Used On The Following Polaris Cleaners: 9-100-3105