Mutual Industries Inlet cover measuring 2 x 4 minimizes the amount of silt and debris that enters a storm water inlet during construction. Mutual Industries Inlet cover is made of dual layer of non-woven polypropylene durable filter geotextile through that water passes leaving the silt trapped in the geotextile layers. Cover is adaptable to curb or flat inlets and is reusable. • 2 x 4 . • Inlet cover is used for reducing the amount of silt and debris that may enter a storm water inlet near a construction excavation or remediation site and helps keep area in conformance with local and state conservation regulations. • This product uses a dual layer of non-woven polypropylene filter geotextile two Layers of PA DOT Class 1 non-woven geotextile are used as the filtering medium. • Water passes through the fabric leaving the silt trapped in the geotextile layers class of geotextile has been specified by the DOT in many filtratio drainage and separation applications. • Geotextiles have a proven record for being effective durable and economical Sediment deposits which accumulated on the inlet mat geotextile can be easily brushed or hosed off. • Economical and attractive alternative to hay bales stone foam pads screens fabric bags Quick easy installation. • Reusable easily maintained Low profile - will not impede vehicles or pedestrians. • Durable - able to withstand traffic adverse weather temperature fluctuations ultraviolet tolerant Minimum storage area needed to stock transport. • Adaptable to curb or flat inlets. • Sold as 1 Each.