Spare Oxygen Mask and Tubing

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

● Our newest machine uses a dual cleaning filter (Biochemical Cotton Filter and Oxygen Permeate Membrane Filter) system to kill bacteria, viruses and contaminants, providing you with a high concentration of oxygen.
● Our machines produce 1L of oxygen per minute, supply more than 40%* 1L / min of oxygen, concentration flow, 60% rh / relative humidity, this product meets European oxygen health standards.
● The wise design of the oxygen concentrator: one-button start, horizontal and vertical placement.