Our INDOT-approved, Buy America certified Type 7 casting is a beehive grate structure. It is a 34" x 34" grate with an apex of 6". It fits 30" x 30" inner dimension drainage boxes with recesses. Freight shipping is required and Buy America certifications are available upon request. 
 
This casting is equivalent to a Neenah R-4215-C or an EJ 6610.