1.material:ppr 2.connector tpye:thread and socket 3.standard;ANSI,JIS,BS,DIN 4.size:1/2"-4" "ZOOR" PPR ball ... valve (PP-R ball valve,brass ball valve, control valve) description:1)Material: High ... quality of PPR2)Size: 1/2'',3/4'',1'',1-1/4'',1-1/2'',2'',2-1/2'',3'',4''3 ... , and no noise.6)Reasonable and lowest price 1/2"-4" ppr ball valve