This item incorporates a Humidity Indicator and a two-way Breather Valve all in the same housing, thereby saving the cost of an additional hole in the case. The valve has separate and distinct settings for both pressure and vacuum relief.
A desiccator can also fitted using the internal thread on the rear of the unit giving it three functions in one product.
The threads are Alochromes for R.F Screening Continuity.
This item is a special, please contact us for more information.