Garvin Tbx-125 Masonry Box Extension Ring 1-Gang 2-1/2" Deep

Raco 203 4" Square 1-1/2D Extension Comb Ko

Garvin Bex-450 4" Sq Box Extender 1/2" Raised

Garvin 73171-Sub 4-11/16" Welded Extension Box Converts 1-Gang To 4-11/16" Sq 2-1/8" Deep 1/2" & 3/4" Ko's

Ocal 593611/2-G Pvc Coated Box Extension Ring 4" Gray

Orbit 2Exb75-6 Weather-Proof Gray 2G Flanged Box Extension

Garvin Gbex-1584 1-5/8" Deep 4-Gang Multi-Gang Box Extension Ring

Raco 653 1-1/2D Handybox Extension

Garvin Tbx-225 Masonry Box Extension Ring 2-Gang 2-1/2" Deep

Wiremold 2444-2Fw 2-Gang Extension Deep Device Box

Raco 665 1-7/8D Handybox Extension

Steel-City 731711-Tb 4-11/16 Square Box Extension Steel 42Cu 1-Ko

Hubbell Raco 665 1-7/8-Inch Deep, 1/2-Inch End Knockouts 4-Inch By 2-Inch Handy Box Extension By Raco

Bridgeport Bxe-100 1-Gang Box Extender

GUA0631 - Crouse-Hinds 3 Inch Diameter 1-1/4 Inch Depth Feraloy Iron Alloy Threaded Conduit Outlet Box Extension

Garvin Bex-475 4" Sq Box Extender 3/4" Raised

R-Dot S121E-R 1/2 Box Extension

Southwire Old Work Octagon Steel Box Extension

Raco 202 4" Square 1-1/2D Extension 3/4" Ko

Raco 130 4 Octagon 1-1/2D Extension Combo Ko

Steel-City 53171-1 4" Square Box Extension, Steel, 30.3Cu, 1-Ko In

Arlington Be1r Round Box Extender

Generic Electrical 4" X 4" Extension Box 1/2" Knockouts 4" Square Extension Box 1-1/2" Deep With 12-1/2" Knockouts On Side Used To Extend Box For More

Raco 128 4 Octagon 1-1/2D Extension 1/2" Ko

Arlington Be2x Xlg 2 Gang Box Extender

Cantex EZ Box New And Old Work Square PVC 1 Gang Box Extension Gray

Legrand - Wiremold Starter Box, Extra Deep Wiremold Outlet Box, White On-Wall Conduit Connector For Wiremold Box And Wiremold Raceway, BW35

Steel-City 25151-1/2 Octagon Box Extension Ring 3-1/2" Steel

Garvin Southwire Masonry Box Extension Ring Three Gang 3-1/2 Inch Deep (Tbx-335)

Arlington BE2 Two Gang Box Extender