ALLERTON SEWAGE TREATMENT PLANT
The 6 or 10PE Mini Biofilter range are for individual houses or small population situations, with the option of a pumped or gravity outlet. The Midi Biofilters cover a range from 11PE to 30 population equivalent and completing the range is the Maxi Biofilters, which will cope with up to 200-population equivalent in a residential situation, (or more in a non-domestic situation).