The biological filter mat has an ideal surface to hold nitrifying
bacteria, changing toxic ammoniac and nitrites into harmless nitrates.

Features:
1) Biological filter mat removes toxic ammoniac and nitrites by means
of bacteria
2) The right filter medium gives a large specific surface area for the
bacteria to attach to and simultaneously allows sufficient flow of
water through the filter without clogging
3) Biological filter mat is made from curled polyester fibers and a
special water resistant binder
4) The mat is rigid, easy to handle, easy to clean and designed for
many years of useful work
5) Furthermore, the polyester fibers do not contain chlorine so the
environment is not endangered after disposal
6) Materials: curled fibers monofilament (diameter 0.25mm) and water
resistant binder

Specifications:
1) Color: blue-green
2) Standard dimensions: 100 x 200 x 3.8cm (40" x 80" x 11/2")
3) Budget dimensions: 100 x 200 x 3cm (40" x 80" x 11/4")
4) Customized orders are possible
5) Specific surface area: 300sqm/m3