The invention is a basin insert, for use with a storm water drain basin having a perforated cover and cover support ledges. The invention comprises a filter bag assembly having a filter bag, support means to suspend the assembly within the drain basin, and overflow bypasses. The filter bag is formed...http://www.google.es/patents/US6805804?utm_source=gb-gplus-sharePatente US6805804 - Continuous roll basin insert
