... ring ShoreA50,60,70,80,90 black,white,red,green,yellow,blue NSF,FDA,WRAS,TZW,W270, ... UL Lead time15days Itemwater tube black o ringDescriptionMaterial:NBR,EPDM,FKM,ACM,IIR,SiliconShoreA50,60,70 ... Customized specificationCertificationISO9001-2008, TS16949, NSF, WRAS, UL, TZW, ACS, FDAMaterialAll raw material meet European REACH, ROHS and PFOS commands. Partial meet ...