VO2 Pro™  by Da Vinci
Bagless EWOT System

VO2 Pro delivers unlimited flow of high-purity O2 without the wait time of traditional bag systems. This patent pending technology overcomes the bottleneck of time to refill between session in a commercial setting and takes up less space than any system in the world at under 3 square feet. 

NO BAG. NO WAITING. NO LIMITS. 

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Our OptiFlow™ feature allows for a user to breathe at any LPM (liters per minute) as the system will introduce room air to cover the demand during sprints. This lowers the purity by a variable percentage based on demand. The system will never drop below 70% purity during this time and traditional EWOT only requires 40% purity. Simply set the timer to operate at 5 minute increments and VO2 Pro shuts off automatically. 

Don't believe the hype of needing 93+% O2 Purity
All oxygen generators make this purity so that became the "story" all competitors use and has no scientific backing. ZERO. Refer to the original clinical studies that spawned EWOT, supporting the use of only 40% purity in Manfred von Ardenne's Oxygen Multi-step Therapy: Physiological and Technical Foundations.

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• Auto shutoff at any duration (5 min increments)
• Occupies under 3 sq ft. 
• Instant high-flow
• Accommodates any LPM demand