Humidity Indicator Cards$30.00 Humidity and temperature indicator cards are suitable for checking relative humidity levels of storage or display areas. As humidity changes, the chemically impregnated spots change from blue (dry) to lavender (normal) to pink (humid). 110mm x 40mm Cards Reads 10% – 100% RH levels Pack of 5 cards Humidity Indicator Cards quantity Add to cart Related products Filmoplast P – Repair tape for restoration $35.00 Details Hollytex $12.00 Details Reemay $11.00 Details Textile Labelling Tape Artefact Identification Tags
