【Best Compatibility】: Effortlessly works with Polaris 280 and 480 utility bags (parts K13 and K16). You will receive 2 packs Durable Bags. 【High-quality Materials】: These nylon pool cleaning bags with strong stitching and tights are woven, durable, reusable and break-resistant. Can hold all kinds of debris: leaves, bugs, twigs, sand and silt, not easy to damage. 【Easy to Use】: Specific net shape to prevent debris from falling back when the robot cleaner is stopped, the extra-large zipper opening makes it easy to empty and clean the debris in the filter bag. Easy to remove and install hook and loop fasteners that can be removed for cleaning in seconds. 【Perfect Fit】: Premium Velcro Closure, this universal filter bag features heavy duty hook and loop fasteners designed to snap securely onto the pipe cleaner and snap tightly at the top. Safe and secure closure provides complete reliability. Product Description Features: These replacement filter bags are suitable for Polaris 2800 480 pool