Combo Guard is a low cost system designed to reduce sedimentation into combination curb & grate inlets. It is an easy to install BMP for site sediment control. The integrated filter has a vertical height of 2 inches to allow water to bypass for high flow conditions. The system is easy to install, clean, has a long life, is resistant to construction site traffic, and can be reused. Easier to clean and maintain over the standard witch hats.