Fits perfectly on the Polaris 280 and 480 robotic pool cleaners with the same specifications as the Polaris K13 net Zipper that is more durable over time than a scratch and does not clog. THE adaptable bag for Polaris 280 pool robot The adaptable stringer bag allows you to replace your original bag. Assembled with care, it will offer you optimal performance and longevity. Very tight mesh to capture the finest particles polaris bag zipper Quality zipper Plastic zipper and anti-rust treated metal Greater capacity than the original to capture more debris and empty the bag less often Care taken with reinforced seams and edges for greater longevity polaris bag ring br /> Check the ring on your bag Please check the shape of the ring on your Polaris bag which may differ depending on the model. How to replace the bag on your Polaris robot bag assembly for polaris bag replace polaris bag remove polaris 280 bag