Septic tank with biological filter system

Simple and low-cost


  • Anaerobix is the new low-cost anaerobic filter system for wastewater in Graf tanks
  • Filled with the carrier material supplied, it increases the cleaning performance of a wastewater tank several times over. The large surface of the recyclable plastic carrier material (141 m2 /m3 ) allows the biofilm responsible for the cleaning process to cover a large area.

The benefits of the Anaerobix system at a glance


  • Very good cleaning performance: efficiency over 90%, PIA-certified (Testing Institute for Wastewater Technology)
  • No power consumption, no electrical or mechanical components (e.g. pumps or float switch) in tank
  • Largely maintenance-free
  • Installation in proven Graf tanks
  • Easy to install with standard DN 100 pipes
  • Very good value for money



Length [mm]Width [mm]Height [mm]Volume [l]order no.add to enquiry
200 Inh., 30,000 l/d24252225271060000
400 Inh., 60,000 l/d242522252710120000
600 Inh., 90,000 d/l242522252710180000
800 Inh., 120,000 l/d242522252710240000

calculated size Request for information