Compatibility: Works easily with Polaris 280 and 480 Multi-Purpose Bags (Parts K13 and K16). Hook and loop closures are designed to fit snugly around the hog and close securely at the top. (Please confirm your Polaris model before purchasing) These nylon mesh pool cleaning bags feature strong stitching and mesh fabric, perfect for picking up debris or small leaves and twigs without tearing them from the bottom of the pool. The extra zippered opening makes this pool mesh bag 3 times easier to empty and clean debris from the filter bag. Much more than the velcro types, it is a valuable asset to you EASY TO USE: Our versatile filter bags are easy to install, remove and clean. The improved clip fits perfectly between the vacuum cleaner and the user and installs in seconds. The multi-use filter bag has openings on both sides and is very easy to clean. This is not an original part but a replacement part. Polaris does not manufacture or sell parts. Equal or better performance than the