Cristal Bio is an excellent high-porous filter material made of glass. This glass is burned at very high temperatures, together with foam building elements. The Cristal Bio is a filter material that has by far the highest surface area of all available filter materials and has excellent aerobic and anaerobic characteristics, which are reflected in optimum water conditions and crystal clear water
96L box
Suitable for trickle filters, multi-chamber filters and pressure filters.
