... NSF,FDA,WRAS,TZW,W270,UL Lead time15days Itemwater pipe oring for sealingDescriptionMaterial:NBR,EPDM,FKM,ACM,IIR, ... ,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 ...