HELiOS Marathon Portable Oxygen Unit, H850

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Product Overview

CAIRE, Inc.'s HELiOS Marathon Portable Oxygen Unit gives oxygen therapy patients unprecedented freedom: It lasts up to 22 hours between refills yet weighs only 5.6 pounds fully filled! The HELiOS Marathon portable unit lets patients be out all day. Whether they want to visit friends and family, shop, fish or golf-patients can have long lasting freedom without needing to refill their portable or bring along extra oxygen cylinders.

While other portable oxygen units have limited continuous flow operation, the HELiOS portable units feature multiple settings for continuous and demand flow modes. Now continuous flow patients can enjoy the "no spill" design and portability the HELiOS system is known for.


  • No batteries or electricity required.
  • Unit can operate flat on its back, upright or in any position in between.
  • Versatile, Dual-mode pneumatic demand device (PDD) delivers:
    • up to 4 LPM demand flow
    • up to 6 LPM continuous flow
  • Does not emit heat or noise
  • class="med-arial"> Easy maintenance
  • Efficient-Ultra-low normal evaporation rate (NER)
  • class="med-arial">Durable, reliable design engineered to prevent leaks
  • class="med-arial">Comfortable padded, slip-resistant shoulder strap
  • class="med-arial">Can be worn with a shoulder strap or backpack for hands-free convenience.
  • Specifications

  • class="med-arial">LOX capacity: 2.0 lb (0,91 kg)
  • class="med-arial"> Gaseous equivalent capacity: 685 L
  • class="med-arial">Weight, filled: 5.6 lb (2,54 kg)
  • class="med-arial"> Weight, empty: 3.6 lb (1,63 kg)
  • class="med-arial"> Height including handle: 15.0" (381 mm)
  • class="med-arial"> Typical use time at 2 LPM demand mode: 22 hours
  • class="med-arial">Typical use time at 2 LPM continuous mode: 6.1 hours
  • class="med-arial">Operating pressure: 22 psi (152 kPa)
  • class="med-arial">Normal evaporation rate: 1.0 lb/day (0,45 kg/day)
  • class="med-arial">Standard flow control range:
    • Continuous: off, .12, .25, .5, .75
    • Demand: off, 1, 1.5, 2, 2.5, 3, 3.5, 4
  • Warranty: 2 Year

  • 1 Each / Each
    Part Number(s):
    • H850


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