Features:
Type:Aquarium Bio Balls
Color:black
Material:PVC
Size:16mm
100% Brand new and high quality.Practical and durable home using product.
The bio-sponge inside provide more surface area for growth of beneficial Bio-Spira bacteria.
BIO-Balls do not require replacement unless damaged or destroyed
The bio balls provide biological filtration, removing toxic ammonia and nitrite.
Each filter media is pre-packed in its own mesh media bag.
Can be reused over and over again until it breaks.
In the event of excessive buildup, you may gently rinse with water from an established aquarium, if desired.
Great for fresh or saltwater aquarium filtration systems.

Package include:50pcs Aquarium Bio Balls