Multi-vent Adult Oxygen Mask With Universal Tubing Connector

Multi-vent adult oxygen mask with universal tubing connector.Safe, simple delivery of variable oxygen concentrations.Each mask includes color-coded diluters: green for low concentration, white for medium concentration.Locking ring secures flow setting.Includes adaptor for high humidity entrainment.Complete with 7-ft oxygen tubing.Attaches directly onto the flowmeter, eliminating the need for an adaptor