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A non-reversible valve inside to prevent from inhaling outer air to cheat and flowing contaminated air backward
convenient and accurate commercial breathalyzer available on the market
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AlcoMate Premium
Standard Breathalyzer Mouthpieces (500 pack) Black Friday A non-reversible valve inside to500 Pack of One Way Flow Mouthpieces. Mouthpieces are compatible with all AlcoMate and AlcoScan portable handheld devices EXCEPT AL2500 Elite. Mouthpieces are re useable; cleaning of mouthpieces is for hygienic purposes only. There is no negative effect on testing if the same mouthpiece is used continuously.
