... designed 2)thread and socket 3)low torque to turn 1.Description1)Material U-PVC2)Application water supply,water draining,farming ... ,irrigation,aquiculture,and water treatement and other fields3)Size 1/2"-4" (Standard: BSPT)4)Color grey/china-white/white5 ... quality unaffected and Small resistance to fluidity 3.Business Order 1)communication disscuss price and check the products quality — 2)check ...