1.size:1/2-4 2.structure:ball 3.end connector:socket , thread 4.standard: BS, ... , Chian(Mainland) Standard: ANSI, BS, DIN, JISMaterial: Pvc Size: 1/2"-4" Type: Socket and threadPacking & DeliveryPacking Details: colorful box, polybag ... to swimming pool, wastewater treatment, agriculture irrigation, industrial applications, etc. compact plastic ball valve