Ertec Combo Guard - Fits 48"x 16" grate

Combo Guard (CG) is a patented, low cost, four layer system designed to reduce sedimentation into combination curb & grate storm drain inlets. It is engineered to balance the critical tradeoff between allowing water to flow off the street for safety and capturing sediment. The system filters storm water above the ground for easy visual inspection and maintenance while featuring a 2-inch vertical height to allow bypass in high flow conditions. During installation, the grate does not need to be removed, reducing the risk of installer back and foot injuries.