Grate Guard, Sed-Only, 24' x 40' x 4"

Catch Sediment, Oil, Silt, Debris And Other Runoff Before they Enter Our Waterways For use with flat grate catch basins. Allows run–off to flow through while blocking sediment and/or capturing oil. Standard and custom sizes available. Helps comply with NPDES, 40 CFR 122.26 (1999) when used as Best Management Practice in Storm Water Pollution Prevention Plans.