Portable Oxygen Therapy Set Size D (2.8l) hearing test There is a red lever

There is a red lever at the back that you can push in manual if no battery

2-year warranty

and peace of mind

Easily adapted

working and traveling and what's more it is lightweight

Portable Oxygen Therapy Set Size D (2.8l) hearing test There is a red leverPortable Oxygen Therapy Set Size D (Aluminum Alloy Oxygen Cylinders Jumbo D) Portable Oxygen Therapy Set complete with regulator, trolley, bubble humidifier ad oxygen mask. (Cylinder fitted with toggle for easy operations). This Portable Oxygen Therapy Set are from the USA. What makes our oxygen tank different from any other tanks is the material used. Most other tanks are made from steel but, ours are made from aluminium which is one of the most