Available in packs of 10, 20, 50, 100, 500 and 1000, having extra BACtrack replacement breathalyzer mouthpieces (sometimes called breathalyzer tips) makes sharing your BACtrack easy and sanitary. Individually wrapped and made of FDA compliant, food-grade plastic, they are easily removable, washable and reusable. To clean, simply drop into soapy water, rinse, and air dry. Mouthpieces do not affect the accuracy or operation of your BACtrack, but they do make it easy and safe for testing others. Compatible with BACtrack S80, Trace, Element, Scout and S75 professional alcohol detectors.