Hands-Free Water Refills. Cleaner Humidification. Better Sleep.

Say goodbye to the nightly chore of refilling your CPAP or BiPAP water chamber. The CSpring MK3® is the next-generation solution designed for people who are serious about their sleep therapy comfort. With built-in sensor logic and UVC light sanitization, this system automatically manages water levels and keeps your humidifier chamber clean—no extra steps required.

Why Users Are Making the Switch to CSpring MK3®:

✔ Automatic Refills
Smart sensors detect when your water chamber needs replenishing and instantly refill it—so you don’t have to.

✔ UVC Sanitization for Healthier Humidification
UVC light technology helps neutralize up to 99.9% of waterborne bacteria, viruses, and pathogens, ensuring a cleaner sleep environment.

✔ Simple, Seamless Setup
Just swap your current water chamber with the one included, connect the harness and hose, and the system takes care of the rest.

✔ Wide Compatibility
The MK3 works with a broad range of CPAP and BiPAP humidifier chambers and supports multiple water capacity needs.

✔ Smart Night Mode
Choose between ambient night lighting or lights-off mode to fit your sleep preferences.

✔ Easy Maintenance & Clean Design
No messy tubing. No complicated wiring. All parts are removable, making cleaning and upkeep quick and painless.

✔ Eco-Friendly Efficiency
Conserves water by only refilling when needed—no waste, no overflows.

✔ Built to Last
Crafted from BPA-free, medical-grade materials. Comes with a standard 1-year warranty and optional 3-year extended coverage.

Compact Size:
Fits comfortably on any bedside table or nightstand (7"L x 11"H x 10"W).

What’s Included:

CSpring MK3® 3L Automatic Water Replenishment System
Compatible CPAP/BiPAP/APAP Chamber
Sensor Harness (3.5 ft)
Water Hose (2 ft)
AC Power Adapter
Extra Sensor Clips
User Guide

30-Day Satisfaction Guarantee

We offer free shipping on most CSpring MK3® orders. Not completely happy? Return it within 30 days (return shipping and restocking fee apply).

CSpring

NEW : CSpring MK3® Automatic Refilling System