Full range from 150 to 600mm
Fewer joints means faster installation
Structured wall design for high ring stiffness
Light weight for reduced health and safety risks
Up to 94% lighter than concrete
Withstands ground movement and differential settlement
Robust, impact and abrasion resistant construction
Low friction inner wall for superior hydraulic performance
Filter uses first flush principle.
Integral sockets in diameters 150 to 600mm
A blue inner wall for ease of CCTV surveying