*DUAL LUMEN DESIGN - covers 98% of patients
- Knob setting is actual LPM equivilency
- 3:1 Conservation
- 100% conserver (1 to 6 LPM)
- 100% regulator (1 to 6 LPM)
- Includes Salter style cannula, one nostril senses or delivers
- Laser etched, no decals
- 3 year warranty
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