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.
Two Locations To Better Serve You
6340 Bandini Blvd.
Commerce, CA 90040
9401 Northeast Dr.
Fredericksburg, VA 22408