General description Compatible with Polaris pool cleaners, this pack includes 20 foam brushes designed for effective cleaning and maintenance. The brushes are easy to install and help scrub the floor and sides of the pool while capturing large debris and particles. Technical specifications Outer diameter: 4.3 cm Inner diameter: 1.4 cm Length: 7.3 cm Compatibility and accessories Compatible robots: Polaris 180, 280, 360, 380, 480 Pro, 3900 Sport Compatible with Polaris part numbers: 91003105 / 9-100-3105 / PP-91003105 Installation Simply replace the worn tail scrubber with a new tail brush at the end of the tube. Usage These foam brushes effectively capture debris and remove pool cleaner residue. They assist in scrubbing the pool floor and sides.