【SUPERIOR QUALITY】: These nylon mesh pool cleaning bags use a durable ABS connector and tights weave, with strong stitching and a zipper closure, allowing them to hold up to 120 microns, including leaf twigs, small particles, and dirt particles. 【COMPATIBILITY AND INCOMPATIBILITY】: --- Set of 2 pool cleaning trash bags perfect for Polaris 360 and 380 pool cleaners, replacement part numbers: 9-100-1021, 9-100-1014. ---Not suitable for Polaris 280 or 480 pool cleaners with "oval-tipped" plastic clips, and not for 180 pool cleaners with Velcro. 【EASY TO USE】: The versatile filter bag is easy to install, remove, and clean with super-strong hook-and-loop fasteners, and can be removed for cleaning in just seconds. 【NOTE】: If the vacuum is not moving or cleaning dirt and debris as effectively as before, you may need to empty the bag as it may be full. Please confirm your Polaris model before purchasing.