Premium Humidity Indicator Cards 20 Pack - 10-60% 6 Spot(20 Cards)

Premium Humidity Indicator Cards 20 Pack - 10-60% 6 Spot(20 Cards)

• Color Changing Humidity Indicator Cards
• Pack of 20 ( 20 Cards)
• 6 Spots Humidity Indicating - (10%/20%/30%/40%/50%/60% RH) - Clear Color Change
• As the humidity increases the chemically impregnated spots change from a blue color (DRY) through a pink, to a lavender color (HUMID).
• READ AT LAVENDER BETWEEN PINK AND BLUE.

DRY & DRY - OUR PRODUCTS 

• Dry & Dry Humidity Indicator Card is Premium Quality. 
• It is strictly tested for clear color change 

DRY & DRY - PREMIUM QUALITY

• Our Humidity Indicator Card is the highest quality in the industry for Humidity Measurement. 
• It is strictly tested for clear color change in each Humidity Level(10%-60%) 
• You can experience a big difference compared to other products. 
• Products of Dry&Dry guarantees 100% satisfaction. 
• If you have any problems about our products, we will give you a free replacement or full refund.