Humidity Indicator Cards 3 Spot, 30%-50% RH — Hydrosorbent Desiccant Dehumidifiers

3 spot reversible humidity indicator cards provide a visual indication of the relative humidity (30%-50% RH) in a sealed environment.

SCS MIL Standard 3-Spot Humidity Indicator Card, 5% 10% 15% RH, Can of 125

Wisesorb 25 Pack Humidity Indicator Cards, 6 Spot 10-60% Blue to Pink, Humidity Strips, Reusable Humidity Packs : Appliances

Dry-Packs Cobalt Free Humidity Indicator Card 3 Dot Moisture Detection 30-50 Brown Green 50 Pack

Dry & Dry Humidity Indicator Cards 50 Pack(Reusable) - 10-60% 6 Spot(50 Cards) : Appliances

SCS MIL Standard 3-Spot Humidity Indicator Card, 5% 10% 15% RH, Can of 125

SCS MIL Standard 3-Spot Humidity Indicator Card, 5% 10% 15% RH, Can of 125

50 Premium Humidity Indicator Cards(Reusable More than 20 times) - Cards should not be in Direct Contact with Foods or Medications Our Humidity

Dry & Dry Humidity Indicator Cards 50 Pack(Reusable) - 10-60% 6 Spot(50 Cards)

Wisesorb 25 Pack Humidity Indicator Cards, 6 Spot 10-60% Blue to Pink, Humidity Strips, Reusable Humidity Packs : Appliances

Obvious Color Change (Blue to Pink)-Blue to Pink color change is very apparent. Manage the quality if raw material strictly and test each batch to

Wisesorb 25 Pack Humidity Indicator Cards, 6 Spot 10-60% Blue to Pink, Humidity Strips, Reusable Humidity Packs

Dry-Packs Cobalt Free Humidity Indicator Card 3 Dot Moisture Detection 30-50 Brown Green 50 Pack

Rh DOT Cobalt-Free Sensor 10%-90% Humidity Indicator Card - China Humidity Indicator Strips, Humidity Indicator Card Supplier