Arlington Industries Electrical Box Extender BE1-2 - The Home Depot
Arlington BE1-2 Electrical Outlet Box Extender, 1-Gang, White, 2-Pack, Used for extending electrical boxes up to 1-1/2-inches By Arlington Industries - Walmart.com
RACO 2-Gang Galvanized Steel 2-1/8" Deep 4-11/16" Square Electrical Box Extension Ring at Menards®
ReceptXtenders 2-Gang 3/4 in. Electrical Receptacle Box Extension Ring (5-Pack) HD50026 - The Home Depot
Arlington BE2X 2-Gang Extra Large Box Extender
Arlington | 2-Gang Box Extender with Larger, Trimmable Flange
P&S EXT-2 : 2 GANG BOX EXTENDER | Gordon Electric Supply, Inc.
RACO 2-Gang Glalvanized Steel 1-1/2" Deep 4" Square Electrical Box Extension Ring at Menards®
Carlon Multi-Gang Non-Metallic Electrical Box Extender (2-Pack) B1MGEXT-2 - The Home Depot
ReceptXtenders 2-Gang Black PVC Weatherproof New Work/Old Work Standard Box Extender Wall Electrical Box in the Electrical Boxes department at Lowes.com
iMBAPrice BE2-2 (2-Gang) Electrical Power Outlet Box Extender - White, 2-Pack (Made in USA) - Walmart.com
Carlon Multi-Gang Non-Metallic Electrical Box Extender (2-Pack) B1MGEXT-2 - The Home Depot
Box Extender - Double Gang - Expandable
Sigma Electric Weatherproof Extension Ring 2-Gang Gray Metal Weatherproof New Work Standard Box Extender Exterior Electrical Box in the Electrical Boxes department at Lowes.com
iMBAPrice BE3-1 (3-Gang) Electrical Power Outlet Box Extender, White - - Amazon.com
Steel City 2-Gang 4 in. 21 cu. in. New Work Metal Square Electrical Box Extension Ring (Case of 20) 531511234-20R - The Home Depot