EPDM small o rings ShoreA50,60,70,80,90 black,white,red,green,yellow, ... NSF,FDA,WRAS,TZW,W270,UL Lead time15days ItemEPDM small o ringsDescriptionMaterial: siliconeShoreA50,60,70,80,90black,white,red,green,yellow ... usage is based on the final product condition.Packing Spec.Standard packing: a. plastic bag inside with barcode; b. carton outside ...