General description These 10 Pieces Polaris Tail Scrubber Replacement Parts are designed for use with various Polaris pool cleaners, including models 180, 280, 360, 380, 480 Pro, and 3900 Sport. The foam brushes effectively capture large debris and particles, ensuring a clean pool while also scrubbing the bottom and sides. Technical specifications Outer Diameter: 4.3 cm (1.7") Inner Diameter: 1.4 cm (0.55") Length: 7.3 cm (2.87") Package Contents 12 foam brushes included, reducing the need for frequent replacements.