... ,red,green,yellow,blue KTW,W270,DVGW Lead time15days Itemsealing o shape ringDescriptionMaterial:NBR,EPDM,FKM,ACM,IIR,SiliconShoreA50,60,70 ... , NSF, WRAS, UL, TZW, ACS, FDAMaterialAll raw material meet European REACH, ROHS and PFOS commands. Partial meet PAHS,NP requirement.NBR ...