Each mouthpiece has a respiratory lock that prevents saliva or germs from being inadvertently inhaled when blowing into the channel of a breathalyser. Each mouthpiece of the ACE series is individually packaged and therefore hygienically safe. The mouthpieces for breathalysers from the ACE range are intended for single use. This means that a new mouthpiece should always be used for each person and test. With respiratory lock to prevent inhalation of saliva 25 pcs. individually and hygienically packaged Note: Only suitable for single use Compatible: ACE I (AL7000), ACE AL5500, ACE AL5500 plus, ACE AL9010 MED CAUTION: Before ordering, please check the product description to ensure that the selected mouthpiece variant fits your breathalyser! https://elecena.pl/product/18446427/100085-mouthpieces-ace-pack-of-25 2021-05-13 https://elecena.pl/product/18446427/100085-mouthpieces-ace-pack-of-25 2025-09-06