silicone o rings AS568,P.G.et ShoreA50,60,70,80,90 ... ,blue NSF,FDA,WRAS,TZW,W270,UL Lead time15day Itemsilicone o rings L/T 15daysDescriptionMaterial: siliconeShoreA50,60,70,80,90black,white,red ... , 46*34*34 cmNot-standard packing: follow customers' requirement silicone o rings L/T 15day