With 2 replacement cleaning bags, these pool filter bags are compatible with Polaris 360 and 380 models (9-100-1014, 9-100-1021). Not compatible with Polaris 280 and 480. Efficient Filtration: The nylon mesh pool cleaning bag is tightly woven and securely sewn to effectively capture debris. Featuring a zipper, the bag can be easily opened for quick waste removal. Rinse with clean water to clean and reuse. Easy to Install: These universal filter bags are simple to install, remove, and clean. Strong hook and loop fasteners allow for quick detachment and reattachment in seconds. Stable and Durable: Made from durable nylon mesh, these pool cleaning bags resist tearing and are built for long-lasting performance. The zippered design allows for easy emptying and reuse.