- This 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.
- Material: Ceramic
- Diameter of ball: 21 mm
- Quantity: 10 pcs, 40 Pcs
Package Includes: 1 Pack of Aquarium Porous Filter Balls