The bolt-down Leopold Type 360 underdrain system is designed with efficiency in mind. The system for greenfield projects and rehabilitation of water treatment filtration projects includes an innovative 360-degree backwash capability designed to boost efficiency by up to 20 percent.
“The name is actually derived from its backwash flow pattern where water exits the underdrain in a 360-degree pattern,” says Matt Schomaker, national sales manager of Leopold - a Xylem Brand.
The bolt-down solution is engineered for reliability with an uplift resistance of over 15 psi. The design includes slots and orifices around the entire underdrain to help clean the filter















