10/20/40pcs/lot 16mm 26mm 36mm 46mm Aquarium Filter Bio Balls Portable Wet Dry Cotton For Air Pump Clean Fish Tank Pond Sponge Media

Features:

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.

Speicificaitons:

Material: Plastic Aquarium Pond Balls

Color: Black

Dimensions: Diameter of bio ball: 16mm, 26mm, 36mm, 46mm (included biological cotton)

Quantity: 10 PCS/20 PCS/40 PCS for your choice according to your aquarium size.

Including:

10/20/40pcs Aquarium Bio Balls Filter Media