Humidity indicator plugs are designed to indicate the relative humidity level within a sealed container withoutusers having to open it.
Humidity indicator plugs work much like humidityindicator cards but can be screwed into the outsidewalls of sealed containers. Made of Aluminum, Stainless Steel, Nickel Brass, Plastic, they feature large, clear viewing windowsfor easy reading of humidity levels within the container.
Night Vision Instrumentation
One single dot：RH 40%
Three dots: RH 10%-20%-30%
Four dots: RH 20%30%-40%-50%
Aluminum, Stainless Steel, Nickel Brass, Plastic
1.Aniti-static Aluminum foil bag: 1set/bag
2.Sealed iron can: 10bags/ can
3.Cartons: 6 cans / carton or 12 cans/ ctn