[100 Packs] Dry & Dry Premium Cobalt Free Humidity Indicator Cards(6 Spots)

Sale price$ 21.99

You are now bidding on Brand New 100 Pack of Cobalt Chloride Free Humidity Indicator Cards - 10-60% 6 Spot(100 Cards)


  • Card Dimension : 1.5"(3.8cm) x 4.5"(11.5cm)
  • Cobalt Chloride Free Premium Quality - Eco Friendly Humidity Indicator Card
  • 6 Spots Humidity Indicating - (10%/20%/30%/40%/50%/60% RH) - Clear Color Change
  • Indicator Changes Green to Purple(Violet) - Green(Dry) to Purple(Humid)
  • Major Electronics Companies use this cards


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