... ,3"x6"20mm/ 25mm knockouts color : white material : pvc 1) name:switch box, 2 gang box , 1 gang box,flushing box,wall box2) sizes: 3"x3 ... as surface mounting ,control box , switch box or general service box 3x3 box , pvc material . 200pcs/outer packing 3x6 box , pvc material ,200pcs/ ... .productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); 2013 good quality wall box with white color