Quick view USA Made Buna-n Gasket w/ Mesh - FDA Compliant - 1.5" to 6" - 5 Micron - 300 Micron These USA Made Buna-n Gasket w/ Mesh is Approved by the FDA. The gaskets are made of Buna-N and have MSRP: Was: Now: $20.00 - $140.00 Options