Skip to main content

Equinox II®: Analgesia administration system

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

or more information

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.

Unparalleled experience

We are experts in providing medical gas equipment and sources of supply. Our teams know medical gas products well, and can help you define the needs of your facility. We proudly play a vital role in medical facilities to help protect vulnerable lives.

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)

    Related resources

    Do you need pricing or more information?

    Our team will listen to your needs and answer your questions, to help identify the right equipment and services for your facility.

    Write us

    Leave us a message and we will contact you in less than 48 hours.

    Talk to us

    Whenever you need assistance, please call our toll-free number (24/7).

    Visit us

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

    Why choose us

    • Full-scope medical gases provider
      We are involved from production to patient therapy, and know medical gases intimately

    • Reliability
      You can depend on us to provide you with the right equipment and services to meet your facility's needs

    • Innovation
      Innovation is our vision: we prioritize quality of care through patient-centric products and services

    • Safety
      Ensuring the safety of your patients and staff is our top priority - our emphasis is on safety, compliance and risk management

    • Experienced
      We are owned by Air Liquide Group, the largest supplier of industrial, medical & specialty gases, found on every continent in the world

    • Coast-to-coast service network
      Our fill plants are widespread to shorten response-time and ensure supply chain reliability

    • Accreditation and regulation
      We help you ensure your facility's medical equipment is serviced and fully compliant with Canadian standards

    • Customized portfolio
      We supply a complete range of high-quality specialty gases, including mixtures used in specific applications to suit your needs