Model No. | Grate Size | U.L Flow Rating | Number of Securing Screws | Open Area | Reference Figure | Grate Part No. | Outlet Pipe Size | Min. Distance from Grate to Pipe | Frame Size |
SP-1030 | 7-3/4" | 148 GPM | 2 | 13 sq. in. | C | SP1053B | 1-1/2" or 2" | 3" | 7.75 sq. in. dia. |