all kinds of switch box ,control box ,junction box ,pipe fittings sizes: 3"x3" ,3"x6" , 20mm/ 25mm color : white ... receiving depoist3)Port : SHUNDEFeatures:1)No rust occurs like metal pipe ,switch box with no smell attracting rotent ,will no suffer ... easy damage8)Installation during the process of construction ,equipment, component 2010 hot pipe fittings