Forestyashe 40Pcs Aquarium Porous Ceramic Filter Media Net Bag Biological Ball Fish Tank

40Pcs Aquarium Porous Ceramic Filter Media Net Bag Biological Ball Fish Tank Features: Material: ceramic Diameter of ball: 21mm This is Breathing Bio Ball made by nano technology. The Bio Ball were Fired by high temperature. Great Material for the growth of nitrifying bacteria. Full of rich variety of natural elements and essential minerals and trace elements. Great help to restore the natural water quality, and provide the most suitable living environment for your fishes. Please allow 1-3cm differences due to manual measurement The real color may be slightly different from the photo, due to a variety of factors such as computer screen contrast or light. Package inculded: 40Pcs Bio Balls

This can be a highlight of your home, ideal for your own home, or as a lovely gift for Joey There is 2-3% difference according to manual measurement. Please note that slight color difference should be acceptable due to the light and screen. Enjoy your shopping time!! Tip: Please contact us before you have any questions, we are committed to providing the best service