www.fdanews.com/articles/149843-vbox-rsquo-s-trooper-oxygen-concentrator-receives-fda-approval
VBOX’s Trooper Oxygen Concentrator Receives FDA Approval
October 1, 2012
VBOX today announced that the U.S. Food and Drug Administration has approved its Trooper portable oxygen concentrator for prescription oxygen therapy.
The Sacramento Bee
The Sacramento Bee