GOOD FOR INDUSTRIAL & CONSTRUCTION SITES: Prevent contaminants and sediment from getting into the water system. From construction sites, dredging, to industrial parks, Sandbaggy Dewatering Bag will get the job done! Accommodates up to 4 inch Discharge Hose. HEAVY DUTY - LASTS 30 TO 50 HRS OF PUMPING BEFORE NEEDING REPLACEMENT! This is an extremely heavy duty dewatering bag, made of tough needle-punched polypropylene with a tensile strength of 205 lbs, this Sandbaggy product is built tough! CAPTURE SEDIMENT, SILT, OIL, SLUDGE, TRASH - Great for pumping out containment areas, ponds, dredging locations, etc.. Holds 35 cu ft of sediment per bag. GEOTEXTILE FABRIC: Made of industrial grade nonwoven fabric, the same type of fabric underlying roads MADE IN AMERICA - Support American jobs, American infrastructure and American FAMILIES - don't settle for some cheap foreign alternative Protect against erosion and pollution when dewatering your site with Sandbaggy Dewatering Bags. They'll filter out anything from sediments, silt, sludge, oil, and more! Perfect for use on a construction site or for dredging, these non woven geotextile dewatering bags filter sediment at an 80% removal efficiency, preventing it from clogging up the pipes and infrastructure that make up our water system.