4W01S C500 L=2000 reinforced concrete drain channel, c/w Gridiron's special galvanized edge rails, suitable for grating dim. 485x1000 H40
4WA1S Reinforced concrete water run-off channel (combine with 2 reinforced concrete covers L=1,000 mm)
4W00P Embossed metal sheet plate Th. 5 reinforced with galvanised grid, with stainless steel nuts and bolts
4X01S Reinforced concrete channel with galvanised edge rails (combine with 2 gratings or plates L=1,000 mm)
4XN1S Reinforced concrete channel without galvanised edge rails (combine with 2 gratings or plates L=1,000 mm)