Fig. 1. Laboratory test setup using a flume 0.61-m width by 2.44-m length (2 by 8 ft.) to determine flow-through capacity of SiltSoxx and silt fence with clear water. (a) Outlet from supply tank, (b) pump, (c) filter, (d) flow meter, (e) valve, (f) header, (g) 20.3-cm diam. (8 in) SiltSoxx, (h) 151-L (40 gal) water tank, (i) timer, and (j) frame.