General description The AlwaysH Set of 3 adaptable Silt Bags is designed for use with Polaris 280 and 480 robot pool cleaners. These aftermarket filter bags, part K13, are made from reinforced nylon mesh, ensuring durability while effectively collecting debris, small leaves, and twigs without tearing. The innovative design features an extra zipper opening for easy emptying and cleaning, making pool maintenance a hassle-free experience. Technical specifications Dimensions: 11.75 x 7.45 x 2.5 in Weight: 340 g Material: Reinforced nylon mesh Compatibility and accessories Compatible with Polaris 280 and 480 models Part numbers: K13 and K16 Installation Easy to install with upgraded clips that fit perfectly with the cleaner Can be installed in seconds Hook and loop fasteners attach securely to the hose Usage Designed for collecting debris, sand, leaves, and twigs Open on 2 sides for easy cleaning Extra zipper opening for quick emptying Other information This is not an OEM part, but an