BEAVER DAM® The patented Beaver Dam is designed for use with curb and gutter inlets to filter sediment-laden storm water. The suspended solids are allowed to settle out of the slowed flow and are captured by the Beaver Dam prior to entering the inlet. FEATURES AND BENEFITS -  Unique patented design keeps silt, sediment, and debris out of storm systems.  Designed to conform to the shape of the curb  Built in overflow design  Reduces or eliminates the need to flush or clean inlets  Fabricated from a highly recognizable orange monofilament geotextile (Filterweave 402) Standard sizes to fit any curb and gutter inlet  Easy to install, maintain, inspect, and re-use Comes in 6 sizes from 23" to 42"