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

providing a versatile solution for sediment traps

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

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