Specification:

• -Product name: Plastic Bio Balls Filter

• -Color: black

• -Material: plastic

• -Ball diameter: 36mm

• -Package: 50 x Bio Balls Filter

Description:

• -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.

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