N30 Premium Bio Rod Yellow 6pcs - Cylinder (N0032) Filter Media

N30 Premium Bio Rod offers optimal biological filtration for your aquarium. Its highly porous surface area is primed for beneficial bacteria colonisation and helps effectively remove and eliminate organic waste and other substances toxic to aquarium life.

Dimensions:

- Internal diameter: approx. 1.7cm

- External diameter: approx. 4cm

- Length: approx. 15cm

- Cross-sectional width: 4.5cm