The economical AIRE Wash Down Pad captures barnacles, weeds, greases, seeds, paint chips, invasive aquatic species and gray water from power washing stations. When combined with a water collection system, the used water can be processed according to the local Department of Environmental Protection and the federal Water Pollution Control Act regulations. These wash down pads are 100% CWA 301a compliant. Need more information? Call us at 800-247-3846.