50 Pieces of replacement mouthpieces for DA series Breathalyzers

For use with DA3000, DA5000, DA7000, DA8000 and DA8100

Features:

Uni-directional valve function assures compliance and eliminates false errors.
Uni-directional valve also reduces the chance of saliva and foreign particle that may adversely affect the sensor.
Can be used as both disposable and reusable after rinsing.
Made of hard plastic.