Clarion^® prefabricated gravity filters meet the filtration requirements of small to medium water and wastewater treatment plants in a cost-effective manner. Units are available in one to four-cell designs with cell size ranging from 16 to 144 square feet.

Standard units are constructed in accordance with the accepted design standards for potable or tertiary applications. Clarion units incorporate the full complement of Roberts' products commonly provided on conventional gravity filtration systems.