... ,etc 2.Various types and color are available 3.Good quality silicone rubber tubes pass FDA 1.Terials:NBR,silione,NR,SBR,etc2 ... OEM order of Oil seal,Rubber Seal or O-Ring and Rubber Gasket is welcome6.We promise the high quality but competitive price for ... Oil Seal,O-Ring,Rubber Ring,Sealing Ring ...