ReceptXtenders Receptacle Outlet Box Extender, Electrical Outlet Extender for Electrical Box and Electrical Outlet Switches, UL Listed - 1/2" Single Gang 5-Pack - Amazon.com
Carlon Multi-Gang PVC Electrical Box Extender (2-Pack) B1MGEXT-2 - The Home Depot
Steel City Southwire Drawn 4 In. x 4 In. Square Box Extension | Morganfield Home Center
Arlington Industries Box Extender (2-Pack) BE1-2 - The Home Depot
RACO 1-Gang Galvanized Steel 1-1/2" Deep 4" Octagon Electrical Box Extension Ring at Menards®
Raco 203 4" Steel Square Extension, 1-1/2" Deep, 1/2" & 3/4" Side Knockouts | Cooper Electric
3 Gang Electrical Box Extender Goof Rings Add Up to 1.5'' Deep
Thomas & Betts (T&B) IHEF2-1 Electrical Box Extenders - Interstate Electric Supply
ReceptXtenders Receptacle Outlet Box Extender, Electrical Outlet Extender for Electrical Box and Electrical Outlet Switches, UL Listed - 3/4" Single Gang 5-Pack - Amazon.com