... High efficiencyHigh precisionPerfect surface Steel electrical control box:Material: Mild steel, Stainless steel, Aluminum alloys or othersWhole box fully welded, no ... waterproof.45 degree capillary break design around the box, we use waterproof packing material to definitely achieve ... don’t use it can cover with the waterproof rubber plug.Stainless steel hinge, acid-resisting, anticorrosion, without ...