LIFE®StartSystem™ for industrial and office workplace first-aid programs and first responders, provides 15+ minute supply for first-aid emergency oxygen administration, and if needed before fibrillation or after successful defibrillation. Smaller than a briefcase at 12"x12"x3" it weighs only 8 pounds. It is durable and water resistant, complete with LIFE-O2® Emergency Oxygen unit with 6&12 LPM "Norm & High" Regulator which provides AHA recommended 100% inspired oxygen. Disposable/Replaceable (or refillable) 113 liter Cylinder, non-prescription, shipped full ready-to-use, with knurled-knob On/Off valve, constant reading supply gauge with simple full-to-empty symbols, always visible through clear window, and LIFE® CPR Mask that universally fits Adult & Child.*The LIFE®StartSystem is built to carry the Philips HeartStart OnSite AED.