1)" mounted box " with M4 nut 2)Sizes: 3x6 3)Color ... gang box , 1 gang box,flushing box,surface box,mounted box, electric box2) sizes: 3"x3",3"x6" ... )No rust occurs like metal pipe ,gang box with no smell attracting rotent ,will no suffer from ... component9) PVC 2 gang box, 1 gang box with no smell attracting to rent ,will no suffer from ... , switch box or general service box pvc mounted box with knockouts