This product found in :
Cellular Confinement
, Stormwater Management
Cell Tek ChannelGrid CR400 4 inch channel control grid
Product Details :
CHANNELGRID with a larger cell diameter helps slow erosion along channel revetments and swales. Available in 2 cell depths, the system can support a variety of infill options including larger aggregates, soil and concrete.
For more information visit http://celltekdirect.com/channel.html