Testing Oxygen Levels Under A Mask With An OSHA Air Quality Monitor (Video)

* * *

Please support I. U.

PayPal: Donate in USD
PayPal: Donate in EUR
PayPal: Donate in GBP

1 thought on “Testing Oxygen Levels Under A Mask With An OSHA Air Quality Monitor (Video)”

  1. What brand meter is this? I can’t find anything even close. Amazon is so lame that when I do a search for an oxygen concentration meter I receive pages of pulse oximeters, Klein electronic ohm meters, etc. I would like to purchase one…

    Thanks,

    Reply

Leave a Reply to Phil Pride Cancel reply

This site uses Akismet to reduce spam. Learn how your comment data is processed.