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Photos are for general reference — the product description is the source of truth for exactly what you'll receive, so it's worth a quick read before ordering. Packaging, labeling, and appearance may vary from the images, and these cosmetic differences fall outside returns and refunds. If anything else about your order needs attention, our team is always happy to help.
React Health Luna G3 Water Chamber Replacement
This genuine OEM replacement water chamber is designed specifically for all Luna G3 CPAP and BiPAP machines. Each unit provides a perfect fit and reliable performance to maintain optimal humidification for your sleep therapy.
Restore Clean, Comfortable Humidification
Replace your worn or cloudy water chamber with this official 3B Medical replacement (Model LG34510) to restore consistent moisture delivery throughout the night. Designed to help reduce dryness and irritation, this chamber supports comfortable sleep therapy with reliable performance.
Key Benefits
- Official OEM replacement engineered for precise, leak-free fit
- Compatible with all Luna G3 series machines including CPAP/APAP and BiPAP models
- Easy top-opening design for simple filling and cleaning
- Clear tank walls for effortless water level monitoring
- Durable construction built to withstand daily heating cycles
Maintenance Recommendation
For optimal performance and hygiene, 3B Medical recommends replacing your water chamber every 3–6 months. This helps maintain clean, consistent humidification and ensures your sleep therapy remains comfortable and effective.
Refresh your Luna G3 system with this genuine replacement chamber and enjoy the comfort and consistency your nightly therapy deserves. No adapters required – simply replace your existing chamber for immediate improvement in your sleep therapy experience.
Why you should choose