... 70,80,90 Approved:NSF,FDA,WRAS,KTW,W270,UL,ACS,ROHS Itemred rubber valve DescriptionMaterial: SiliconeHardness:Shore40,50, ... Series, ISO 361/1and Customized specificationThousands designs and exsiting molds are available for you.CertificationISO9001-2008, NSF,FDA,WRAS,KTW,W270 ... ,UL,ACS,ROHSMaterialAll raw material meet European REACH, ROHS and PFOS commands. ...