K3-20 Sloped channel - 39.37" (1 m) - Galvanized Edge SiltSoxx Original They have over-lapping flanges that

They have over-lapping flanges that improve load spread to support heavy wheeled equipment and protection for the turf below it

Built to withstand demanding outdoor environments

and to make them easier to locate on a job site

and can also be used as a moisture barrier on bridge decks

Built for long-lasting outdoor use

K3-20 Sloped channel - 39.37" (1 m) - Galvanized Edge SiltSoxx Original They have over-lapping flanges thatThe ACO K300 Trench Drain System is a versatile, general purpose modular drainage solution with a 12 inch internal width. Built with either galvanized steel or stainless steel edge rails, it provides continuous slope installation of up to 130 ft for efficient water management. Key Features: Boltless locking systems (DrainLok and QuickLok) allows for fast, quick fitting and removal of grates. Anti shunt lugs and numbered channels ensure secure grate