Garvin 53171-Sub 4" Sq Extension Ring Converts 1-Gang To 4" Sq 2-1/8" Deep 1/2" & 3/4" Ko's

Garvin 53151-Sub 4" Sq Extension Ring Converts 1-Gang To 4" Sq 1-1/2" Deep 1/2" & 3/4" Ko's

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

Garvin 53171-1 4" Sq Extension Ring Drawn 2-1/8" Deep W/1" Ko's

Garvin 53171-S 4" Sq Extension Ring Welded 2-1/8" Deep W/(6) 1/2" & (6) Combo Ko's

Steel-City 531511234-20R 4" Square 1-1/2 Box Extension Ring 1/2 3/4 Ko

Garvin 53151-Red 4" Sq Extension Ring Red Welded 1-1/2" Deep (6) 1/2" & 6 Combo Ko's

Garvin 53171-3/4 4" Sq Extension Ring Drawn 2-1/8" Deep W/3/4" Ko's

Garvin 53171-Svt 4" Sq Chicago Plenum Air Tight Extension Ring 2-1/8" Deep 1/2" & 3/4" Ko's

Garvin 53171-Blnk 4" Sq Blank Extension Ring 2-1/8" Deep No Ko's

Garvin 53C1-Vt 4" Sq Chicago Plenum Flat Double Gasketed Extension Ring

Garvin 53151-Blnk 4" Sq Blank Extension Ring 1-1/2" Deep No Ko's

Garvin 53151-3/4 4" Sq Extension Ring Welded 1-1/2" Deep (8) 3/4" Ko's

Garvin 53151-S 4" Sq Extension Ring Welded 1-1/2" Deep (6) 1/2" & 6 Combo Ko's

Garvin 53151-Svt 4" Sq Chicago Plenum Extension Ring 1-1/2" Deep (8) 1/2" & (4) 3/4" Ko's

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

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

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

Garvin Bex-4100 4" Square Lighting Extender

Garvin Tbx-425 Masonry Box Extension Ring 4-Gang 2-1/2" Deep

Garvin 53141-1/2 4" Sq Extension Ring Welded 1-1/4" Deep W/1/2" Ko's

Garvin 53151-1/2 4" Sq Extension Ring Welded 1-1/2" Deep (12) 1/2" Ko's

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

Garvin 52C18sq 4" Sq 2-Gang Device Ring Welded 3/4" Raised

Garvin 52C14sq 4" Sq 1-Gang Device Ring Welded 3/4" Raised

Garvin 52181-S 4" Sq 3-1/2" Extra Deep Junction Box 1/2" & 3/4" Side Ko's

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

Garvin Gbex-2124 2-1/2" Deep 4-Gang Multi-Gang Box Extension Ring

Garvin 52181-Ow 4" Sq 3-1/2" Extra Deep Old Work Junction Box 1/2" & 3/4" Side Ko's

Garvin 52C20 4" Sq 2-Gang Device Ring 1/4" Raised

Garvin 52171-Sdr 4" Sq Junction Box Drawn 2-1/8" Deep (4) 1/2" & (6) Combo Side Ko's

Garvin 53171-A45 4" Sq Extension Ring 45 Degree Angle For Vaulted Ceiling Applications

Garvin 52C17 4" Sq 2-Gang Device Ring 1/2" Raised

Garvin 52171-Ow 4" Sq Cut In Old Work Junction Box 2-1/8" Deep

Steel-City 521511234Ew-50R 4" Square Box, Steel, 21Cu, 1/2&3/4Ko

Garvin 52C18 4" Sq 2-Gang Device Ring 3/4" Raised