... of wall box ,flushing box , sizes: 3"x3" ,3"x6"20mm/ 25mm knockouts color : white material : pvc 1) name ... :swithc box, 2 gang box , 1 gang box,flushing box,wall box2) sizes: 3" ... and outter packing9) MOQ:as per your requirmentFeatures:1)No rust occurs like metal pipe ,gang box ... construction ,equipment, component9) PVC 2 gang box, 1 gang box with no smell attracting to rent , ...