Nonrebreathing oxygen mask with safety vent and universal tubing connector. Low-resistance check valve does not contain natural rubber latex, prevents rebreathing and allows exhaled gas to escape. Safety vent allows for entrainment of room air. Adjustable nose clip assures comfortable fit. 750-mL reservoir bag. Complete with 7-ft oxygen supply tubing. Attaches directly onto the flowmeter, eliminating the need for an adaptor.