Mountain Tree Spiral Filter Mat Green, 25 × 25 × 4 cm

Green spiral filter mat from Mountain Tree, 25 × 25 × 4 cm. It is matting for mechanical and biological filtration in freshwater and marine aquariums, sumps and ponds.

The spiral gives bacteria somewhere to sit while water still passes through. It can be cut to fit a chamber.

Dry goods. Ships Australia-wide.