Ambient air has 21% Oxygen. PumptOxygen has 95% Oxygen.
There is a body of scientific research illustrating the benefits of supplemental Oxygen.
“Supplemental oxygen” refers to additional oxygen to normal (“ambient”) air. PumptOxygen is canned supplemental Oxygen.

Evidence of O2 supply-dependent VO2 max in the exercise-trained human quadriceps

Effect of supplemental oxygen on post-exercise inflammatory response and oxidative stress

The Effect of Inhaling Concentrated Oxygen on Performance During Repeated Anaerobic Exercise.