| | | | Available Size #601 Register Box w/Snap-Rail Flange | | In addition to the previously listed standard sizes, there are an additional 49 catalog sizes for the #601 Register Box w/Snap-Rail Flange. These range in size from 5" through 12" diameters connections. | |  |
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| | | | | | Available Size #651 Register Box wo/Tabs or Rails | | 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. | | |
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