20" wide cast iron slotted trench drain grate
Cast Iron Slotted Grate - natural finish - 20" wide x 24" long x 1.5" thick - rated for DIN load class C.
This is a good general purpose 20" wide trench drain grate. It is typically used on an 18" wide prefabricated trench drain or 18" wide catch basin. The larger openings plug less often making this grate ideal for the intake of large amounts of water. Typical uses are trench drains in loading docks, parking lots, parking garages, industrial and manufacturing facilities, water and wastewater facilities, and any other area where a high intake volume is required.