Customer Review

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  Great Canadian

  5.0 out of 5 stars This blow machine works great and I've been using it for a year now

  Reviewed in Canada on May 4, 2018

  Verified Purchase

  This blow machine works great and I've been using it for a year now, it's bang on accurate! I use this before I blow into my interlock for my car and works perfect and will save you money setting off your interlock box!!! Sometimes we will use it at the end of the night to see who's got the highest level of BAC...I highly recommend this for anyone who has a interlock box in there car...

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