React Health Luna G3X Auto CPAP Machine with Heated Humidifier

The React Health Luna G3X Auto CPAP is engineered for comfort, quiet performance, and convenience. It automatically adapts pressure to your breathing patterns throughout the night (4 to 25 cmH₂O in 0.5 cmH₂O increments) — and at just 26 dB, it's quieter than rustling leaves. Whether you're new to CPAP therapy or a seasoned user, the Luna G3X integrates seamlessly into your bedtime routine.

Fast Facts: Luna G3X Auto CPAP

• Pressure range: 4 to 25 cmH₂O auto-adjusting in 0.5 cmH₂O increments.
• Quiet: Just 26 dB — quieter than rustling leaves.
• Foam-free construction — built without the polyester-based polyurethane foam involved in past CPAP recalls.
• Cellular modem + Luna QR app — sleep data syncs automatically; view reports on iOS or Android.
• 5-year warranty and free next-day FedEx delivery.

Key features that prioritize your comfort

Auto-adjusting pressure delivery

Intelligently monitors and responds to your breathing for optimal therapy — no manual tweaks required.

Integrated heated humidifier and heated tubing

Prevents dryness, congestion, and rainout (water buildup in the tube) with adjustable humidification levels and heated tubing that keeps air warm and comfortable.

RESlex exhalation relief

Reduces pressure during exhale for natural, effortless breathing — making it easier to fall asleep and stay asleep.

Auto Ramp feature

Starts at a low pressure and gradually increases, gently easing you into therapy as you drift off.

Advanced leak detection and alerts

Real-time monitoring ensures consistent performance, with on-screen notifications to keep your therapy on track.

PM2.5 air filter

Captures ultra-fine particles for cleaner, healthier air you breathe.

Integrated cellular modem and Luna QR app

Effortlessly syncs compliance data to the React Health cloud platform — access your sleep reports anywhere via the free Luna QR app (iOS and Android).

Supply and accessory reminders

Built-in alerts notify you when it's time to replace filters, masks, or tubing for hassle-free maintenance.

Data tracking excellence

Stores 30 days of detailed raw data, up to 365 nights of summary data, and 30 years of nightly usage history for long-term insights.

Compact design for effortless use

Weighing under 3 lbs with a sleek, modern footprint, the Luna G3X fits easily on your nightstand. Its intuitive color LCD screen displays real-time therapy info, AHI scores, and usage summaries at a glance. Universal power supply means it's travel-ready — plug in anywhere in the world. Plus, enjoy peace of mind with a 5-year warranty and foam-free construction for enhanced safety and reliability.

Your purchase includes

• Luna G3X Auto CPAP unit
• Heated humidifier chamber
• Heated tubing
• PM2.5 filter (pre-installed)
• Power supply and cord
• SD card for data export
• User manual and quick start guide
• 5-year warranty
• Free FedEx overnight delivery

Engineered by React Health for proven efficacy and patient-centric innovation, the Luna G3X isn't just therapy — it's a gateway to better health, improved focus, and more vibrant days. Treats obstructive sleep apnea with style and simplicity.

About Main Clinic Supply

We're based in Rochester, Minnesota — home of the world-famous Mayo Clinic. We deliver free to all Mayo Clinic hospitals and local hotels. With FedEx's strong presence in Rochester, our family-owned business is able to ship late into the evening.

Inspired by Mayo Clinic's values, we prioritize helping people over making profits — embodying Dr. Mayo's 1910 mission statement: "The needs of the patient come first."