... :NSF,FDA,WRAS,KTW,W270,UL,ACS,ROHS Itemred rubber valve DescriptionMaterial: SiliconeHardness:Shore40,50,60,70,80,90Color: black,white ... ,ROHSMaterialAll raw material meet European REACH, ROHS and PFOS commands. Partial meet PAHS,NP requirement.NBR,EPDM,FKM,Silicon rubber etc ...