Compatibility: Perfectly compatible with Polaris 280 and 480, K13 and K16 robotic pool cleaners. Superior Material: The pool cleaner is made of durable ABS connector and woven nylon material, durable and not easy to break. Fine Mesh The fine mesh net can capture the finest debris, and the zipper design makes it easy to open and clean the empty debris from the filter bags. Easy to Install and Use The versatile filter bag is easy to install. The hook-and-loop fasteners designed to securely snap onto the pipe cleaner and close tightly at the top, and can be removed for cleaning in seconds. Wide Application Can collect pool debris, leaves, insects, twigs, sand, and silt in one bag. Suitable for home, gym, outdoor pool, water park.