1. Fiber filter ball is made of polyester fiber. The raw material have passed Reach Test. It's environmentally friendly and non-toxic. It will not do harm to human body.

2. It's  the best material for swimming pool. 700 g fiber filter balls can replace 25 kg sand. 

3. It has a large dirt concentration. It can also be recycled. We can wash them by hands or washing machine.

4. Here is the different type of package

5. You can click our website to know more information: Henan Lvyuan technology water treatment limited company