Z874-21TRENCH DRAIN SYSTEMZurn Z-874-21 Pre-Sloped Trench Drainage System. High Density Polyethylene drain channel with 1.00 Percent bottom slope. All sections modular 80" lengths with interlocking ends. Complete with heavy-duty Dura-Coated steel frame at surface, combination anchor tabs/leveling devices at appropriate locations and class C extra heavy-duty ductile iron grate.
