Gang flanged extension weatherproof box; 4"Gang flanged extension boxes; Extension boxes 1-9/16" Deep ;rigid box;EMT box;

Gang flanged extension weatherproof  box;4"Gang flanged extension boxes;Extension boxes 1-9/16" Deep ;rigid box;EMT box;

Hole size:1/2",3/4"

Outlet holes:4 or 6

CU Inch:13.5