Bio balls are filter media for freshwater and saltwater wet/dry systems.
For efficient biological filtration.
For use in fresh and saltwater aquarium and ponds.
You may gently rinse with water from the aquarium if excessive buildup.
Material: PVC , Color: Blue, Diameter: Approx. 1.5cm/0.59inch, Height: Approx. 1.6cm/0.63inch, Quantity: 100pcs.
Material: PVC + Biochemical cotton
100 Pieces Bio Balls
Due to the light and screen setting difference, the item's color may be slightly different from the pictures.
Please allow slight dimension difference due to different manual measurement.