Thank you for showing your interest in Securi-T Secu-Rings 2 3/4" Flange (70mm), Pkg/5 from Genairex (EI). The Securi-T Secu-Rings 2 3/4" Flange (70mm), Pkg/5 is a product of Genairex and is thereby made of the highest quality. If you have any questions regarding Securi-T Secu-Rings 2 3/4" Flange (70mm), Pkg/5 or any product in Genairex (EI), please contact us. Our experienced personnel will answer any questions you have about Securi-T Secu-Rings 2 3/4" Flange (70mm), Pkg/5. Also, if you are interested in purchasing large quantities of Securi-T Secu-Rings 2 3/4" Flange (70mm), Pkg/5 or any Genairex (EI), please contact Customer Service.