Non-Rebreather Oxygen Mask with Safety Vent is ideal as a part of EMS supplies, EMS gear or emergency medical equipment. The mask with 7? tubing has low-resistance check valve that does not contain natural rubber latex, prevents rebreathing and allows exhaled gas to escape. Its adjustable nose clip assures comfortable fit with a clear, soft vinyl manufacturing for patient comfort and visual patient assessment. The mask is for single patient use.