1.size:1/2,3/4 2.type:with mouth and within mouth 3.material:pp or pvc "ZOOR" ... , cross handle ones also available3)Size: 1/2'',3/4''4)Grey, Green, White, Yellow and many kinds ... .Cold water supply facilities for public budings 2.food,chemical and electronic industry pipeline networks, ... .4.Air conditioning facality pipelines and swimming pools5.Compressed gas pipeline networks for industry use. 1/2",3/4 ...