1. What you will get: You will get 500g swimming pool filter sponge ball, enough for your daily use and replacement of your swimming pool, providing you with a good experience2. Effective and practical: The filter is an ideal substitute for filtering glass and other glass media. It has good adsorption and can effectively capture tiny suspended solids that are not easy to remove, keeping the water clean.3. Washable and reusable: Our sand pool filter is washable, you just need to gently wipe off the stains absorbed by the media filter with water, please clean the pool filter sponge ball regularly every week to ensure its effectiveness4. Easy to use: just put these swimming pool filter sponge balls into the sand pool filter tank of the swimming pool; there is no sand in the tank, which is lighter and more efficient than traditional filters5. Durable: This sand pool filter is made of high-quality polyester fiber, which is stable, wear-resistant, can be used for a long time, safe and non-toxic; you can use it with confidence and place it in the swimming pool