Compatibility: Easily works with Polaris 280 and 480 multi-purpose bags (parts K13 and K16). The hook and loop fasteners are designed to fit securely to the pig and close tightly at the top. (Please confirm your Polaris model before purchasing) These nylon mesh pool cleaner bags feature heavy-duty stitching and mesh fabric, perfect for picking up debris or collecting small leaves and twigs without tearing at the bottom of your pool. The extra zipper opening makes this pool mesh bag 3 times easier to empty and clean debris from the filter bag. Much more than Velcro types, it is an ultimate asset for you EASY TO USE: Our multi-purpose filter bags are easy to install, remove and clean. The improved clip fits perfectly to the cleaner and user and installs in seconds. The versatile filter bag has openings on both sides and is very easy to clean. This is not an OEM part, but a replacement part. Polaris does not manufacture or sell parts. Performance equal to or better than OEM, giving you a