Breathalyzer Mouthpieces for Honeywell Envitec models with with non return valve. Each mouthpiece individually hygienically packed. For Envitec 3020, 6020, AlcoMed, AlcoQuant C,  Alcotrue P,  Alcotrue C, Alcotrue M, CA Cosmos 4020 and related equipment . Packaging: 25 pieces (individually packed) in a plastic bag.
 

Note: The mouthpiece is intended for single use; ie: Per person and test a new mouthpiece. We recommend not to disinfect the mouthpiece nor even wash out or any other way to clean and reuse.