SQUARE BOX EXTENSION RING TYPE; PRE-GALVANIZED DRAWN STEEL MATERIAL; 4-11/16 INCH; 4-11/16 INCH; 1-1/2 INCH; UL APPROVAL; 25 STANDARD PACKAGE; 29.5 CU INCH CAPACITY; (8)...
SQUARE BOX EXTENSION RING TYPE; PRE-GALVANIZED WELDED STEEL MATERIAL; 4 INCH; 4 INCH; 1-1/2 INCH; UL APPROVAL; 50 STANDARD PACKAGE; 21 CU INCH CAPACITY; (8)...
SQUARE BOX EXTENSION RING TYPE; PRE-GALVANIZED WELDED STEEL MATERIAL; 4-11/16 INCH; 4-11/16 INCH; 2-1/8 INCH; UL APPROVAL; 25 STANDARD PACKAGE; 42 CU INCH CAPACITY; (8)...
SQUARE BOX EXTENSION RING TYPE; PRE-GALVANIZED WELDED STEEL MATERIAL; 4 INCH; 4 INCH; 1-1/2 INCH; UL APPROVAL; 50 STANDARD PACKAGE; 21 CU INCH CAPACITY; (8)...