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Hydrogen Machines
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Level 4 · Professional· 3 min read·Updated 2026-06-27

Replacement parts

Consumable and serviceable parts you can expect to replace over a machine's life.

Key takeaways

  • Cannulas: monthly to quarterly.
  • Humidifier bottles: annually.
  • Stack cartridges (professional only): 3–5 years.

Order in advance

Keep a spare cannula on hand. Clinics keep spare humidifiers. Stack cartridges have longer lead times — order before failure.

Frequently asked questions

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Related learning

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Installation best practices
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