Spare Oxygen Mask and Tubing

EASY TO USE – Oxygen Pro with the oxygen mask and tube, insert the tube to the top of the oxygen canister and the other end of the tube to the mask. Wear the mask and breathe.
MULTI PURPOSE OXYGEN CYLINDER – Improves concentration when studying and gaming, increases oxygen levels in high altitudes, provides energy when engaged in physical activities and improves air quality.
IMPROVES BREATHING – Oxygen Pro is a source of 99.5% Oxygen for those suffering from poor health or working in areas with dust, humidity, poor ventilation, and/or chemicals.

Compact, high quality break-resistant plastic, 3-ball inhaling breath measurement system.
3 color coded balls for differing inhalation rates – from 600cc/sec, 900cc/sec, 1200 cc/ sec.
Detailed Illustrated instructions included. Helps to develop, improve and maintain respiratory fitness