AlcoSense Professional one-way mouthpieces (25-pack) fit AlcoSense Excel, Pro and Ultra.

• Individually sealed and has a one-way valve

AlcoSense Professional mouthpieces are designed to live up to the strict EN16280 and NF standards. These require that the nozzles are individually sealed and have a one-way valve that ensures high hygiene and accuracy. This means that the user cannot inhale vapors that remain in the respirator from previous tests.