https://www.jpcorry.com/jp-corry-products/st-gobain-pam-waterway-2000-grate/
Saint-Gobain PAM UK Waterway 2000 Grate
Description
Saint-Gobain PAM UK Waterway 2000 DI 600x600x100 D400 Double Triangular Gully Grating
WATERWAY 2000 D400-N 600X600X100MM DOUBLE TRIANGULAR GRATE AND FRAME KITE MARKED
RECOMMENDED FOR USE IN: Carriageways carrying continuous heavy traffic in areas subjected to high surface water run off
Datasheet :- Waterway-D400-Grating-Product-Range-Datasheet