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Description

Analyze these strips after only 10 minutes of exposure. Simply compare the stick's color with the color chart on the container for semi-quantitative results ranging from <90 to >210 µg/m3 O3.

  • Quick and easy to use
  • Suitable for indoor and outdoor testing
  • Economical pricing for classroom labs and science projects
Analyze these strips after only 10 minutes of exposure. Simply compare the stick's color with the color chart on the container for semi-quantitative results ranging from <90 to >210 µg/m3 O3. An ozone content of 180 µg/m3 critical value above which sensitive persons should avoid strong physical exertion. Pack of 12 strips.

Specifications

Return Policy:

If for any reason you are not satisfied with this item, it is eligible for a return, exchange, refund, or credit up to 180 days from date of purchase. Restrictions may apply. Returns & Exchanges Policy.