... o rings AS568,P.G.et ShoreA50,60,70,80,90 black,white,red,green,yellow,blue NSF,FDA,WRAS,TZW ... ,W270,UL Lead time15day Itemsilicone o rings L/T 15daysDescriptionMaterial: siliconeShoreA50,60,70,80,90black,white,red,green,yellow ... cmNot-standard packing: follow customers' requirement silicone o rings L/T 15day