O2 CGA 870 OXygen regulator
An O2 CGA 870 oxygen regulator is a device used to control the flow of oxygen gas. It is typically made of brass or stainless steel and is available in a variety of sizes. O2 CGA 870 oxygen regulators are used to deliver oxygen gas to patients during medical procedures, such as surgery and anesthesia. O2 CGA 870 oxygen regulators are also used by firefighters to provide them with a source of oxygen in smoky or low-oxygen environments.