... box2) sizes: 3"x3",3"x6"box, 20mm/25mm knockouts3) material : pvc4) Uses : electrical or construction5)Payment terms: 30% T ... rent ,will no suffer from biotic attack10) Protects wire and cable from easy damage11) Installation during the process of construction , ... service box 3x3 box , pvc material . 200pcs/outer packing 3x6 box , pvc material ,200pcs/outer packing square 3x3 surface box/ cable box