Z886-STZ886-ST PERMA-TRACK SYSTEMZurn Z886-ST 6" [152 mm] wide radiused trench drainage system. High density polyethylene composite modular system with pre-radiused trench sections that conform to the inside perimeter of a typical 400 meter running track. Typical invert of the radiused sections is 5.3 inches (134mm). Complete with galvanized steel slotted grating and combination anchor tabs/leveling devices at appropriate locations.
