Disposable paper mouthpieces. Works with Ketonix® USB and Ketonix® Bluetooth®/Basic/Professional devices. Great to use at client visits to a clinic for testing their ketosis. These paper mouthpieces are fit onto the regular plastic mouthpiece shown in the image below. It's an alternative to the plastic reusable mouthpiece that needed to be cleaned. 

• Disposable mouthpiece made of paper.
• 50 pieces in each package.