Skip to product information

GRAF Universal Shaft Modular Sump Chamber

Designed to the used in conjunction with the EcoBloc modular system, this infiltration shaft system is comprised of of an inlet and distributor module of 16" or 24" in diameter. Choose from a variety of covers depending on the required load class.

Shaft extensions may be added between the primary modules; this allows a simple and secure extension for infiltration systems with high earth coverings.

Designed to the used in conjunction with the EcoBloc modular system, this infiltration shaft system is comprised of of an inlet and distributor module of 16" or 24" in diameter....
Read More

Designed to the used in conjunction with the EcoBloc modular system, this infiltration shaft system is comprised of of an inlet and distributor module of 16" or 24" in diameter. Choose from a variety of covers depending on the required load class.

Shaft extensions may be added between the primary modules; this allows a simple and secure extension for infiltration systems with high earth coverings.