... TZW,W270,UL Lead time15day Itemsilicone o rings L/T 15daysDescriptionMaterial: siliconeShoreA50,60,70,80,90black,white,red, ... green,yellow,blueNSF,FDA,WRAS,TZW,W270,ULAS568,P.G.etc.AdvantageGood Ozone resistance, aging resistance, high/low ... resistance, voltage resistance and insulating resistance etc.SizeAS568, P.G Series, ISO 361/1and Customized specificationCertificationISO9001-2008, TS16949, NSF ...