2020 Hot Deals 50 Pcs 18mm Diameter Black Bio Balls for Aquarium Pond Filter
- Product Name : Bio Ball;Material : Plastic
- Diameter (Approx.) : 18mm/ 0.7"
- Color : Black
- Weight : 75g
- Plastic bio ball filters are great for fish tank, to promote gas exchange and increase dissolved oxygen levels.
- Great for tropical fish farms, koi ponds, waste water systems, cooling towers, and other commercial and industrial systems.
- For use with wet/dry filters (here is not included), to improve biological filtration.
- Package Content : 50 x Bio Balls
- Note:Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
