This NUWAVE Combo comes with a large NUWAVE Plus sanitizing chamber which allows CPAP patients to sanitize the water chamber and CPAP mask in one convenient automated cycle. It also includes the unique small sanitizing chamber which is great for travel. 
Sanitizing chambers are super easy to connect, help contain the ozone and are extremely effective at helping to killing bacteria (99.9%).

• Ozone filter is provided, which can be used in either bag, to help convert the ozone back to oxygen after the sanitization cycle is completed.
• Using the proven platform of ozone gas, it kills 99.9% of germs such as E Coli and Staphylococcus aureus Within CPAP Equipment 
• Fits all CPAP masks and equipment
• No tubes or adapters required
• Ultra Quiet
• No chemicals or water required
• 2 hour cleaning cycle with auto shut off
• WARRANTY: 2 years