Fits perfectly on the Polaris 280 and 480 robotic pool cleaners with the same specifications as the Polaris K13 net Zipper that is more resistant over time than a scratch and does not get dirty pas Large capacity silt bag with reinforced seams and ultra-fine mesh to capture the smallest waste. Specific net shape to prevent debris from falling when the robot cleaner is stationary. Scratch attachment to the hose for easy passage of debris through the filter. THE adaptable bag for Polaris 280 pool robot The adaptable string bag allows you to replace your original bag. Assembled with care, it will offer you optimal performance and longevity. fine mesh bag polarisUltra fine mesh Very tight mesh to capture the finest particles closure eclair bag polarisQuality zipper Plastic and metal zipper with anti-rust treatment Higher capacity than the original to capture more debris and empty the bag less often Care given to reinforced seams and edges for greater longevity