1)various rubber 2)different sizes and colors 3)custom made flange gasket 4)good quality, reasonable price Standard Flange Round Gasket Productflange gasketMaterialSilicone/NBR/EPDM/Vtion/SBR/NR, etc.Hardness40~90 Share ASizeCustomized/Standard and nonstandardColorBlack, Green, Red, White, Blue, etc.TechniqueMouldingSafety approvalFDA, SGS, ROHS, etc.MOQ3000 pcsFunction: silicone tube and pipe ...