In addition to the previously listed standard sizes, there are an additional 49 catalog sizes for the #651 Register Box wo/Tabs or Rails Flange. These range in size from 5" through 12" diameters connections.
| M&M Manufacturing Co. | |
|---|---|
| Product Category | HVAC Ductwork |
| Product Number | 65116810 |
| Product Name | Available Size #651 Register Box wo/Tabs or Rails |
| Application | Commercial |
