10 foam brush units for robotic pool cleaners, compatible with Polaris 180/280/360/380/480/3900-AquaForge

Pool Filter Cartridge Specifications: (Please check the required size before purchasing). Type: S1 Filter Foam. Material: Sponge. Dimensions: Approx. 108 x 73 mm (L x W). Weight: 11.8 g. Contents: 2/4/6/8 filter cartridges. Features: 1. The filter element is installed in the filtration pump and traps debris in the system. 2. Our filters remove dust, hair, dirt, and insects for cleaner water. 3. These foam filters are reusable and washable. It is recommended to change the cartridge weekly. Easy to clean and replace, these filters have a lifespan of approximately 2 months. Note: Dimensions are measured manually; please allow for a 1-3 cm error. The color of the received product may vary slightly depending on your screen brightness. Note: Due to manual measurement, a 2 cm/1 inch error is possible. Color may vary slightly depending on the fabric. Thank you for your understanding. Our service: We strive to offer you high-quality products and services. If you cannot find your size, please contact us by email for a link. You can also contact us by email to change your size after placing your order. We will respond as soon as possible (within 24 hours). We invite you to explore our shop and purchase our sets. Thank you for your business.