Hopzab 100 PCS 1.6CM Bio Porous Filter with Cotton,Biochemical Ball Filtered for Fish Tank Pond Aquarium Waterfall Fountain,Aquarium Fishes Balls Filter, Media Filterating Bag

High-Quality Materials: These organic filter ball filter media are made of high-quality plastic, which are environmentally friendly, safe, odorless, non-toxic, durable, reusable, and will not change water quality problems. Reusable and Washable: These bio filter media are reusable and washable, 1 bags lasts through multiple filter changes and cleanings, and easy to use, you just need to rinse it off, clean the container, and put it back. Kind Tips: Customer satisfaction is our top goal! If you don't like the product or find that there are quality problems with the product, please feel free to contact us, We will do our best to solve the problem for you in a timely manner! Wide Application:Our bio balls can be used not only in biochemical filtration systems in seawater, but also in biochemical filtration systems in freshwater, perfect for using as fish tank filter, aquarium filter and pond filter media. Kind Tips: Customer satisfaction is our top goal! If you don't like the product or find that there are quality problems with the product, please feel free to contact us, We will do our best to solve the problem for you in a timely manner!