Garvin Masonry Box Extension Ring Two Gang 2-1/2" Deep TBX-225 | Zoro
IHE Red Dot 1G Blank Extension Ring
One Gang Utility Box Extension Ring, 13 Cubic Inches, 4 Inches Lo | Crescent Electric Supply Company
Sigma Engineered Solutions Gray Metal Weatherproof New Work Standard Box Extender Exterior Electrical Box in the Electrical Boxes department at Lowes.com
RACO 8203 Electrical Box Extension Ring, 1 Gang, 22.5 Cu-in, 4 in L X W X 1-1/2 in D, Color - Electrical Boxes - Amazon.com
5936112 59361 1/2 Steel City 1-7/8D Hndy Ext RNG W/1/2ko
Raco 2-1/8 In. x 4 In. x 1-7/8 In. Outlet Box Extension - Bliffert Lumber and Hardware
Hubbell-Raco - Extension Ring: Steel - 31523764 - MSC Industrial Supply
Crouse-Hinds by Eaton,Four Square Box, 1 1/2 Inch Depth, 1 Gang to 2 Gang, Extension Ring, Steel,TP422
73171-1 - Steel City 73171-1 - 4-11/16" x 2-1/8" Deep Square Box Extension Ring, 1" Knockouts
4" SQUARE J-BOX EXTENSION RING | Surplus City Liquidators
Appleton 30E12 :: 3-1/4" Octagon Box Extension Ring, 1-1/2" Deep, 1/2" Knockouts, Steel :: PLATT ELECTRIC SUPPLY
1/2" Octagon Box Ring Extension - - Amazon.com
Hammond Manufacturing - CS88EXT4 - Junction Box Extender Ring,4 in Box Depth Extension,8X8,Gray,For CS Enclosures - RS
4-11/16 in. Square Extension Ring, Drawn, 2-1/8 in. Deep with Eight 1/2 and Four 3/4 in. KO's: Amazon.com: Tools & Home Improvement
SQUARE BOX EXTENSION RING | Edges Electrical Group
RACO 4 in. L x 2 in. W x 1-7/8 in. D Drawn Extension Ring with Eight 1/2 in. Knockouts, 1-Pack 665 - The Home Depot
Octagon Box Extension Ring, 15.8 Cubic Inches, 4 Inch Diameter x | Crescent Electric Supply Company
Orbit 4RB-MKO-EXT Octagon Electrical 4" Box Extension Ring 1-1/2" Deep 835243000834 | eBay
ReceptXtenders 2-Gang 3/4 in. Electrical Receptacle Box Extension Ring (5-Pack) HD50026 - The Home Depot
DE000S Taymac 2-Gang Extension Ring - No Holes
Raco® 653 Handy Box Extension Ring With Conduit Knockout, 11.5 cu-in, 1 Outlet, 8 Knockouts, Steel | Steiner Electric Company
