RACO Silver Steel New Work/Old Work Standard Box Extender Ceiling Electrical Box in the Electrical Boxes department at Lowes.com
Commercial Electric 1/2 in. Gray 4-Holes 4 in. Round Weatherproof Extension Ring WRE450G - The Home Depot
Garvin Masonry Box Extension Ring Two Gang 2-1/2" Deep TBX-225 | Zoro
IHE Red Dot 1G Blank Extension Ring
Hubbell-Raco - Extension Ring: Steel - 31523764 - MSC Industrial Supply
SQUARE BOX EXTENSION RING | Edges Electrical Group
3" X 2" Switch Box Extension Ring - Walmart.com
Orbit 4RB-MKO-EXT Octagon Electrical 4" Box Extension Ring 1-1/2" Deep 835243000834 | eBay
Hubbell-Raco - Extension Ring: Steel - 90315375 - MSC Industrial Supply
4 in. Square Extension Ring, Drawn, 1-1/2 in. Deep with Twelve 1/2 in. KO's: Electrical Boxes: Amazon.com: Tools & Home Improvement
Hammond Manufacturing - CS88EXT4 - Junction Box Extender Ring,4 in Box Depth Extension,8X8,Gray,For CS Enclosures - RS
TayMac Corp SE450S 4 1/2 Inch Hole Rectangle Box Extension Ring | Quality Electrical Distribution (QED)
RACO 5407-0 2G BOX EXT RING | Gordon Electric Supply, Inc.
Steel City 4 in. 1-1/2 in. New Work Deep Pre-Galvanized Metal Octagon Electrical Box Extension Ring 551511234-25R - The Home Depot
Octagonal Junction Box Extension Ring - Kraloy Fittings
ReceptXtenders 2-Gang 3/4 in. Electrical Receptacle Box Extension Ring (5-Pack) HD50026 - The Home Depot
ReceptXtenders 1-Gang 1/4 in. Electrical Receptacle Box Extension Ring (5/Pack) HD50002 - The Home Depot
Appleton 30E12 :: 3-1/4" Octagon Box Extension Ring, 1-1/2" Deep, 1/2" Knockouts, Steel :: PLATT ELECTRIC SUPPLY
Garvin Industries TBX-125 Masonry Box Extension Ring – Wirenco
Steel City 53151 1/2 3/4 Pre-Galvanized Steel Square Box Extension Ring with 1/2-Inch and 3/4-Inch Knockouts - Ring Terminals - Amazon.com
4" SQUARE J-BOX EXTENSION RING | Surplus City Liquidators
ReceptXtenders 1-Gang 3/4 in. Electrical Receptacle Box Extension Ring 5-Pack HD50006 - The Home Depot
Garvin SBEX Switch Box Adjustable Extension Ring (Sbex)
Pass & Seymour EXT-1 1-Gang 1 cu.in Plastic Stackable Wall Box Extension Ring | NorthEast Electrical
