Patent ID: 7875178

Claim:
A catch basin insert comprising a housing, said housing having a sidewall having a top edge and a bottom edge, said housing having a perforated base member secured to said sidewall at said bottom edge of said sidewall, a perforated structural member having a perforated bottom wall, a perforated sidewall extending upwardly from the perforated bottom wall, and a perforated raised portion, said perforated structural member being rigid, and said perforated raised portion attached to said perforated bottom wall and extending upwardly therefrom to a height above the perforated sidewall, a primary filter having an outer sidewall, a bottom surface, and a central portion, said bottom surface contacting said bottom wall of said perforated structural member, said central portion contacting said raised portion of said perforated structural member, a secondary filter positioned within the housing below the perforated structural member and the primary filter; and a transition plate, said transition plate being a detachable plate that is removable from said insert, said transition plate having a top surface contacting said top edge of said housing, said transition plate having an aperture through which said housing is inserted so as to downwardly depend from said transition plate, said perforated structural member spaced a distance below said transition plate.