Package Includes-8pcs of 91003105 pool robot sock + 1pc of TSP10 Anti-Splash Turbo Nozzle. Compatible-TSP10 and 91003105 Pool Cleaner Side for All Zodiac Polaris 180, 280, 360, 380, 480 and 3900 Sport models. Premium Quality-High quality plastic and polyurethane materials are wear-resistant and the foam part is non-toxic and non-corrosive. Function---The part can provide Polaris 280 50% more water flow through its pump propulsion to improve cleaning. ---Scrubbers are made of filtration foam,The pool hose tail scrubber can replace worn out scrubbers dislodge pool cleaner to ensure that algae, dirt, and debris from walls, floors, and steps of the pool area. Fit Models: Side 180, 280, 360, 380, 3900 Sport pool cleaner. Tool-free InstallationInstall it in less than a minute, just snap it onto the end of the robot's flagellum. Warm Tips 1.Make sure the power is off before replacement. 2.The part is a compatible spare part (not original), the brand names mentioned and any related model designation above are only for purposes of demonstrating compatibility.