Mouthpieces for Dräger Alcotest 3820 and 4000 breathalyzers, pack of 5. Each test subject should use a new mouthpiece. For personal use, the same mouthpiece can be used several times.

The Dräger Alcotest® 4000 breathalyzer is a reliable breathalyzer designed for responsible drivers, ensuring your driving fitness quickly. Start – Blow – Result. It's that easy. The device uses the same technology as the precision breathalyzers used by the authorities, so the result is accurate, and you can get behind the wheel with confidence.