The Concoa 806 6505 Oxygen Gas Regulator is a CGA 540‑standard regulator from the Airco Series 6500 family. It is designed to regulate oxygen gas with CGA 540 connections, aligning with Concoa’s Airco 6500 series components. Model 806/6505 identifies this unit as part of the 6500‑series oxygen regulators associated with CGA 540 fittings.
