A storm water treatment device that is installed under the grate of new or existing catch basins, and more commonly referred to as an insert. The catch basin decontamination apparatus has a universal housing and support ring that allows one design to fit most applications. Adjustable chains allow for...http://www.google.es/patents/US7479221?utm_source=gb-gplus-sharePatente US7479221 - Catch basin filter absorber apparatus for water decontamination
Catch basin filter absorber apparatus for water decontamination