BACtrack Keychain Breathalyzer Mouthpieces - Pack of 10
Never again worry about whether or not a friend is over the limit. Share your BACtrack Keychain Breathalyzer with others, safely and easily. Test a friend or relative to ensure their BAC is at a safe level. Use on yourself or your spouse and get the peace of mind you need. These mouthpieces slip easily over the collapsible mouthtube of the keychain breathalyzer and can be re-used over time.