Key Features
- <ul>\n <li>Adapter Ring for Recessed Mounting of VTF Series Units</li>\n <li>Welded Steel Collar is 4" SQ x 2" D (103mm x 51mm) to Provide Necessary Extension for Any 4" SQ x 2 1/8" D (102mm x 54mm) E.O. Box</li>\n <li>When Assembled, the Unit is 3 1/16" Deep and Will Fit in a Standard 4" Stud Wall</li>\n</ul>