Compatibility: Compatible with Polaris 280 and 480 multi-use bags, part K13 and K16. Hook and loop fasteners are designed to fit securely into the pipe cleaner and seal tightly on top . These nylon mesh pool cleaner bags with strong stitching and mesh fabric are perfect for picking up debris or picking up small leaves and branches without tearing to the bottom of the pool. Additional zipper opening makes this swimming pool mesh bag 3 times easier to empty and clean debris from the filter bag. Significantly exceeds the velcro type, which is an ultimate asset for you Easy to use: Our versatile filter bag is easy to install, remove and clean. The improved clips fit the cleaner and the user perfectly, they can be installed in seconds. The multi-use filter bag is open on 2 sides, which makes it very easy to clean. This is not an original part, but an aftermarket part. Polaris does not create or sell parts. equal or better than the original performance, it gives you a more cost-effective option.