Universal Drager Alcotest Breathalyser Mouth Pieces (25 pack)Hygiene is an increasingly important part of our everyday lives. Drger Alcotest breath alcohol detection devices use non invasive measuring technologies with a high degree of hygiene for the user as well as the test subject. The sophisticated product design meets the requirements for performing the breath alcohol test quickly, easily and hygienically. Benefits of the Slide n Click mouthpieces: The shape of the Slidenclick mouthpiece allows you to