Biological Filter Medium

A traditional granule filter medium. High grade semi-porous granules are ideal for all biological filter installations as a result of their:

  • Large surface area for active bacterial contact
  • Inert material which does not affect water chemistry
  • Spherical shape which encourages oxygen flow aiding biological filtration
  • Expanded granule material which is very lightweight

Azpack
Azpack Limited, 12 Kernan Drive, Swingbridge Trading Estate, Loughborough, Leics, LE11 5JF, England. (01509) 261256