1. ID:51mm OD:165mm 2. ID: 64mm OD:184mm 3. ID:75mm OD:199mm 4. ID:104mm OD:221mm ItemRubber flange sheetmaterialNR,SBR, BR, IR, CR, IIR, NBR, HNBR, EPDM, VITON, PU or on your requirements.sizecustomizedcolorIn any color.originChina(mainland)brandPetrel characteristic1 .It has excellent performance in moisture/water proof and air-tightness2. Great resilience and tensile strength. It functions as ...