This is a Cobalt Chloride Free Color-Change Reversible Humidity Indicator Card that has 6 indicating spots (10/20/30/40/50/60% RH), they change from Brown (dry) to Pale Green (humid). This card complies with MIL-1-8835. A great tool to assist you in keeping your valuables protected!
|Dimension||4 1/8" x 2"|
|USES OF PRODUCT:||Moisture Indicator|
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