api 5000Our ring joint gaskets are strictly manufactured as per API-6A and ASME B16.20 specification. RX Series are available in low carbon steel and 316 stainless steel. RX Series ring joint gasketsThis AB Sciex API 5000 Triple Quad LCMSMS comes expertly refurbished from GenTech Scientific. Condition: Refurbished. Model: 5000. OEM: AB Sciex. Full-Service Reseller.