Humidity Indicator Cards
- Minimum Purchase:
- 1 unit
An inexpensive method of tracking humidity in small rooms, display cases & storage areas. The scale responds to current moisture in the air with the chemically impregnated squares changing from blue (dry) to lavender (normal) to pink (humid).
Cards have a pressure sensitive adhesive backing for convenient location.
Price per package of 5.
Due to fuel surcharges, additional shipping charges may apply.