The Downspout Guard removes pollutants from stormwater flow in gutters and downspouts. The special X-TEX oil-absorbing material removes oil, grease and other hydrocarbons from gutters and downspout waterflow. Also available in heavy metal model. Downspout Guards install quickly and easily into virtually all downspouts and the polyethylene construction will not rust or corrode. The filter media inside the Downspout Guard is easily removed and replaced. Helps comply with NPDES, 40 CFR 122.26 (1999).