4" Square Boxes & Extensions

4" Square Box, 1-1/4" Deep w/ 1/2" KO's

4" Square Box w/ Conduit KOs

4" Square Box w/ 1/2" KOs

4" Square Box w/ 3/4" KOs

4" Square Box w/ 1/2" & 3/4" KOs

4" Square Box Welded w/ B Bracket

4" Square Box Welded w/ FM Bracket

4" Square Box Welded w/ FH Bracket

4" Square Extension Ring w/ 1/2" KOs

4" Square Extension Ring w/ 1/2" & 3/4" KOs

4" Square Box Welded w/ RX Clamps

4" Square Box Welded w/ BX Clamps

4" Square Box Welded w/ FM Bracket, BX Clamps

4" Square Box Welded w/ FH Bracket, BX Clamps

4" Square Box Welded w/ FH Bracket, RX Clamps

4" Square Box Welded w/ FM Bracket, RX Clamps

4" Square Box Welded w/ B Bracket, BX Clamps

4" Square Box Welded w/ B Bracket, RX Clamps

4" Square Box Welded w/ Metal Stud Bracket, BX Clamps