BLD9186

This is a zinc-plated brass humidty indicator plug with a glass window. Furnished with gasket, gasket retainer and nut. It may be installed in container through a 0.515 in. (13.1 mm) diameter hole.

For optional single or multiple spot discs please contact us.

We also supply a service kit as we recommend the humidity indicator paper be replaced every 3-5 years.

• Humidity Indicators datasheet

• BLD9186 INST ISS 01