• Pneumatic construction incorporates no electronic parts and eliminates the need for batteries.

• Delivers a greater than 3 to 1 increase in usage time over continuous flow.  

• Allows the use of a standard single-lumen cannula.

• Sensitivity and delivery time are comparable to or better than most electronic oxygen conservers.

• Weighs only 14.8* ounces and offers extended ambulation with minimum weight and bulk.

• Delivers a consistent, clinically-proven bolus of oxygen, regardless of breath rate.

• Reliability backed by a 2-year warranty.

Four  models available to meet

each patient's needs:

Model 511 - Whole liter flow settings (1-6 lpm)

Model 512 - Half liter flow settings (1-4 lpm)

Model 511WG - Whole liter flow settings (1-6 lpm) without a pressure gauge

Model 523 (not pictured) - Whole liter flow settings (1-6 lpm) with a CGA 540 threaded valve connection