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Equinox II®: Analgesia administration system

Rugged demand inhalation unit for the administration of 50% N2O/50% O2 analgesic gas mixture (ALnox™).

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The Equinox® II administration system by O-Two is a rugged demand inhalation unit for the administration of ALnox™ (50% N2O/50% O2 analgesic gas mixture), offering a simple, safe and efficient way of delivering pain relief during trauma, childbirth or painful procedures.

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Analgesia administration system

The Equinox® II Demand Valve delivers high flow rates with low triggering pressures, reducing the amount of effort required by the patient, to maintain the demanded flow.

The system consists of a single stage pressure reducing regulator, a reinforced supply hose, a demand valve and a Universal patient oro-nasal mask. 

The lightweight,  demand valve incorporates a 360° Patient Valve Swivel Housing that is easily disassembled for cleaning. A Bleed Pin is included with the demand valve to effectively bleed the system of residual gas after use.

Virtually maintenance free, the durable the Equinox® II Administration System is a simple, safe and efficient way of delivering pain relief during trauma, childbirth or painful procedures.


  • Provides fast, efficient method of delivering inhalation analgesic gas
  • Durable anodized aluminum body
  • Provides up to 160 LPM flow rate on demand by the patient
  • Two year warranty against manufacturer's defects


Demand Flow rate 0-160 lpm
Demand Flow Triggering pressure 100 lpm @ < -5 cm H2O
Input pressure 50 PSI
Operating Temperature -18°C to 50°C (0°F to 122°F)
Storage Temperature -37°C to 60°C (-35°F to 140°F)
Input Connection 5/8″ DISS
Patient Connection 15/22 mm
Weight 0.24 Kg (7oz)

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Air Liquide Healthcare
6990 Creditview Road, Unit 6
Mississauga, ON L5N 8R9

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