Drive CHAD Bonsai Velocity Pneumatic Oxygen Conserver
Drive CHAD Bonsai Velocity Pneumatic Oxygen Conserver

Drive CHAD Bonsai Velocity Pneumatic Oxygen Conserver

Brand/Manufacturer: DRIVE MEDICAL
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Drive Chad Bonsai Velocity Pneumatic Oxygen Conserver is designed for use with a cylinder as an ambulatory oxygen system and is capable of delivering a precise amount of supplemental oxygen at the optimal point in the breathing cycle. It increases the efficiency in the delivery of oxygen, maximizing the beneficial effects and eliminating unnecessary oxygen waste.

Item #DescPkgRewardPrice 
OM-812 5.3"L x 2.2"D (13.5cm x 5.6cm) Each $5.50


  • Drive Bonsai Velocity Pneumatic Oxygen Conserver includes a combination of a low- pressure regulator and an oxygen conserver
  • Delivers up to a 6:1 savings ratio from 14 to 40 breaths per minute
  • Deliver a uniform oxygen pulse at increments: 1, 2, 3, 4, 5, and 6
  • 2 Continuous flow (CF) settings preset at 2 LPM and 4 LPM
  • Operating pressure range: 200PSI to 3000PSI
  • Senses a breath or delivers oxygen in the first half of the inspiratory cycle
  • Lightweight, quiet operation and compact design
  • Easy to operate single selector knob
  • Compact design fits easily in virtually any carry bag
  • 6 Liter Flow Equivalency Settings:
    - Allows to fill more prescriptions & handle patients who require higher liter flows
  • CF Settings (lpm):
    - 2 and 4
  • Oxygen Delivery System:
    - CHADs uniform pulse delivers more oxygen as patients breathe faster
  • Every unit comes with a color teaching card included
  • Click Here For Instructions Guide
  • Note:
    - This product requires a prescription from a licensed medical professional.
    - Prescription can be faxed to 1.203.616.2851 or emailed to

More Information

  • Caution:
    - Federal (USA) law restricts this device to sale by or on the order of a physician
    - Prevent water or other liquid substances from entering the unit
    - Prevent dust or any small particles from entering the unit
    - Do not expose the unit to extreme temperatures
    - Always maintain a backup supply of oxygen
    - Do not use humidifier bottles
    - Do not use if leaking or damaged
    - Refer repairs to authorized service personnel


Cylinder TypeCylinder Volume


CF 2 lpmCF 4 lpm

Estimated Cylinder Duration in Hours

(Based on 20 breathes per minute)

M236 Liters
M4 (A)113 Liters
M6 (B)164 Liters10.
ML6171 Liters11.
M7198 Liters12.
M9 (C)246 Liters15.
D425 Liters27.
E680 Liters43.625.817.714.512.310.95.72.8


Dimensions5.3"L x 2.2"D (13.5cm x 5.6cm)
WeightApproximately 10 ounces (283 grams)
Operating Temperature14°F to 104°F (-10°C to 40°C)
Operating Relative Humidity20% to 95%
Operating Altitude0 to 10,000 feet (0 to 3048 meters)
Storage/TransportationMaximum -40°F (-40°C), 1% RH
Maximum 145°F (63°C), 44% RH
ShockNot to exceed IEC 68-2-27 requirements
VibrationNot to exceed IEC 68-2-6, IEC 68-2-34


2 year limited warranty

Customer Reviews

Questions & Answers

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How much O2 does this conserver deliver per breath?
Penny - 8/9/2015 9:56:04 AM
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Thank you for reaching out to us. Please have a look at the page 11 of User Manual. I hope this helps. Please let me know if I can be of further assistance.
Customer Service - 8/10/2015 2:13:29 AM
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