1.Size:1/2''-4''(standard:jis, bs, ansi, din) 2.Long service life 3.Color:grey/china-white/white 4.Oven test:no sign of bubble or cracks 5.Simple installation 6.Temperature resistance: water temperature from -5deg to 45deg 7.Application:structure engineering, water supply system, agriculture irrigation 8.Delivery:about 45days 9.Payment: by T/T 10.Package:by PE plastic bag in carton. By PE plastic bag in carton.