Our INDOT-approved, Buy America certified Type 5 frame and grate is a catch basin inlet structure. It is double grated with a 7-7/8" rise and two 22-1/2" x 22-1/2" long grates that are bolted to the frame. It fits in a 24" x 46" inner dimension drainage box. Freight shipping is required and Buy America certifications are available upon request.