Gravity filter that contains an amazing 200 sq. ft. surface area for beneficial bacterial growth. 

Combined with a cross flow design that traps and processes more debris at high flow rates, you get unparalleled mechanical and biological filtration for superior water quality. 

State of the Arts Progressive Filtration design enhances growth of different ecological communities of bacteria and planktonic organisms that colonize different sections of the filter. 

Overflow built-in for safety.

Easy to maintain.

Modular design allows for expansion.