Made of 1.5 mm thick high density polyethylene for structural strength.
Large flow channels to allow sloughing of excess biomass.
Corrugated design to increase the effective surface area.
Ultraviolet protection provided by the incorporation of a carbon black stabilizer.
Moulded holes that spread the load evenly in the corrugated media.
Mounted with stainless steel or galvanized steel pipes fixed at three points for effective mechanical support