MBBR Moving Bed Biofilm Reactor System for Latin American Wastewater Treatment Plants Suspended Bio‑active Carrier (Fluidized‑bed Filler) is a new‑type bio‑active carrier. Formulated with scientific proportions, it incorporates various trace elements beneficial to rapid microbial adhesion and growth into polymer materials according to different water quality requirements. Manufactured via special modification and structural‑forming processes, it features large specific