Z882Z882 PERMA-TRENCH SYSTEMZurn Z882 12" [305 mm] wide pre-sloped trench drainage system. High density polyethylene structural composite drain channel with 1.04% (1/8" [3.18 mm] per foot) bottom slope. All sections are modular 8-foot [2.45 M] lengths with interlocking ends and radiused bottom. Complete with heavy-duty Dura-Coated steel frame w/ anchor studs at surface, combination anchor tabs/leveling devices at appropriate locations and extra heavy-duty iron grate-class C with lockdowns.
