HNBR o-ring green color for auto air-condition ShoreA60,70,80,90 Color:green AS568, JPseries ItemHNBR ... o-ring green color for auto air-conditionDescriptionMaterial: siliconeShoreA50,60,70,80,90black,white,red,green,yellow ... ,blueNSF,FDA,WRAS,TZW,W270,ULAS568,P.G.etc.AdvantageGood Ozone resistance, aging resistance, high/low temperature resistance, acid/alkali resistance ...