Filter Mat (chemical free)
Inert, chemical free filter mat is designed to trap larger particles like carbon granules, or for pre filtering removing pips, oak chips etc
It can be cut to any size and can be washed and reused many times.
270 x 530mm (approx)
Useful filter medium for many applications.
The filter mat resists compression, so can be used with a pump.
A softer more pliable alternative is filter wool.