Random plastic fill for trickling filters.

margherita trickling filter random fill offers a high growth and development surface for the biomass in trickling filter beds. It is entirely manufactured from polypropylene and possesses a high ratio of voidage. Its particular geometric form allows optimum distribution within circular cross-section trickling filter beds, with simple and rapid fill installation procedures.


  • Construction material: polypropylene
  • Maximum diameter of a single piece: 175 mm
  • Height of a single piece: 50 mm
  • Unit weight: 100 gr
  • Weight per equivalent volume: 50 kg
  • Specific surface: 120 m2/m3
  • Ratio of voidage: 95%