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Standard Humidity Indicator Cards (5-Pack)

Part #: 62031

As low as: $21.40 USD

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Place these Standard Humidity Indicator Cards (5-Pack) in display or storage areas to monitor relative humidity (RH) levels. The colored squares respond to moisture in the air by changing color, with the break between pink and blue squares showing the current RH.
  • Monitors humidity in display or storage areas
  • Each colored square in the scale indicates a 10% humidity range, from dry to damp
  • To use, simply place in area to be monitored
  • Do not place near air vents or windows as this may skew readings
Height 2.25 in.
Width 1.5 in.