• One-way flow technology to provide the most accurate results. A non-reversible valve inside to prevent from inhaling outer air to cheat and flowing contaminated air backward. Fits for all AlcoMate brand breathalyzers.
  • Re-useable if cleaned (for hygienic purposes). There is no negative effect on testing if the same mouthpiece is used continuously.
  • Manufactured by AlcoMate, a global breathalyzer leader in professional alcohol testing device industry.