Sponge Filter Technology: This pool skimmer door flap uses sponge-like material to effectively filter impurities and garbage from your pool water. The door flap design keeps the dirt and debris inside, preventing them from polluting your pool again. Easy Installation: The pool separator cover can be easily replaced with the old or damaged, without any complicated procedures or operations. Timely replacement of accessories can extend the life of your pool skimmer. Convenient to Store: The skimmer door flap replacement is compact and lightweight, making it easy to carry and store. It can be conveniently stored in your toolbox or any tight space. Widely Used: This skimming weir baffle is suitable for various applications such as swimming pools, spa pavilions, etc. It is specifically designed for swimming pools, so be sure to check the size of your existing pool cover.