15L with inhaler cap
Lay trigger flat against top of can and then press inhaler cap to your face with the trigger pointing to your chin. Depress the trigger with your thumb whilst inhaling and release whilst exhaling. Repeat 8-10 times. Wait at least 10 minutes before subsequent use. Repeat as required.
15L with mask and tube
Insert tube onto nozzle on top of can. Place mask over mouth and nose and secure elastic at back of head. Remove white protective cap from top of can. Depress actuator button whilst inhaling and release whilst exhaling. Repeat 8-1o times and then wait at least 10 minutes before next use. Repeat as required.
110L with valve, mask and tube
Insert tube onto nozzle on top of green regulating valve. Remove white protective tab from the top of the canister. Place mask over mouth and nose and screw regulating valve clockwise onto canister. At a point the oxygen will start to flow. Take 8-10 breaths and unscrew regulating valve counterclockwise to stop flow. During storage remove regulating valve entirely to prevent accidental leakage.