Moisture indicator papers 1.Lead-free RoHS compliant; 2.OEM allowed; 3.High quality; 4.Economical ... :one/1 single dot Humidity Indicator Card-(with cobalt)1,Lead-free ROHs compliant2,reversible color change,3,quick delivery within 24 ... hours4, OEM allowed5, cocl2, coblat free and cocl2 free types are available6, meet MIL-I-8835 and J ...