... 20,40.80,STD 3.Surface:Galv&Black 4.BS,NPT,DIN BS Thread Hose Connector Carbon Steel King Nipple Size1/ ... , CLASS B, CLASS CSurfaceHot Dipped Galvanized, Electro Galvanized, BlackThreadsDIN, BS, NPT, MetricTypeHose Nipple, K C Nipple, Sewage NippleUsageConvey Sewage WaterMechanical ... 10x20' ContainerFactory CertificateISO, SGS, ITS, BSI, in Hebei, China BS Thread Hose Connector Carbon Steel King Nipple