... : Good quality, new material of PVC2)Size: 1/2'',3/4'',1'',1--1/2'',2'',3'',3--1/2'',4''3)Many color available you can choice, for example, grey ... at least 10 yearsApplication: applies to Swimming pool, wastewater treatment, aquaculture, agriculture, irrigation, industrialapplications, etc. to the drainage system. 1/2-4 plastic ball valve