... 82002203625027040305320453453705123526535250HD Series with integrated cast iron edge protection (weight:4kg,width:20mm)22025045270300493403505337040056TD Series with integrated cast iron edge protection (weight ... Series with integrated cast iron edge protection (weight:6kg, width:25mm)2803106134037066.530033063350380684004307345048080 polymer concrete channel,drainage channel,gully grating