<!-- table at top of page with logo, picture, Application level, Management level, and input-output tables -->
{|width="100%"|style="width:50%;"|{santable{santable_new|
sys1=[[Blackwater Treatment System with Infiltration|5]]|
sys2=[[Blackwater Treatment System with Sewerage|6]]|
|spanish_link=Filtro_Anaerobico
}}
|[[Image:Anaerobic_filter.png |right|300px]]|}
[[Image:Icon_anaerobic_filter.png |right|95px]]
'''An Anaerobic Filter is a fixed-bed biological reactor. As wastewater flows through the filter, particles are trapped and organic matter is degraded by the biomass that is attached to the filter material.'''