BG-FILCOTEN® 100 Trench Drain Slot Top Maintenance Unit, 4.84 in. Wide 19.69 in. Long,  Asymmetric, Stainless Steel geogrid This is a major advantage

This is a major advantage when comparing to other root barrier solutions which rely on panels which can be prone to root intrusion where the panels connect

The Spee-D Channel Drain Grate is made of high-density polyethylene (HDPE) treated with UV inhibitors

will not rot or mildew

this material resists tearing and punctures

BG-FILCOTEN® 100 Trench Drain Slot Top Maintenance Unit, 4.84 in. Wide 19.69 in. Long,  Asymmetric, Stainless Steel geogrid This is a major advantageKeep channels using slot tops clear of leaves and debris by installing the maintenance unit. The two piece stainless steel unit works alongside the slot top drain grate and has an asymmetric slot to match the slot top drain grate. The maintenance unit provides easy access inside the unit for cleaning and maintenance. Use two Opening Tool for Maintenance Unit (SKU 13399) to remove the inside box nested inside the outer box to remove particles. ADA