1.Excellent quality with competitive price 2.Oil,heat,low-temperature,ozone/UV resistant ... approval Application:Machinery,Automotive,industrial useMaterial:Silicone,Wacker Silicone available, with different color choicesProduction method: mold compressionDurometer: 25-90 shore APacking ... ,ROHS compliantDimensions: As per customer’s drawings or samples White rubber check valve with LX-118