Filter Foam 3x25x25cm

The measurements are around 3x25x25cm, some pieces are slightly bigger and some slightly smaller

This come in 2 different ppi
*15ppi
*30ppi

ppi refers to pores per inch so for example 50ppi is very dense.

This foam is excellent for use in external & internal filters, simply trim it to fit. It can also be used to divide off areas in a tank for example instead of having 5 small tanks you can divide a big one so it has 5 areas.