This style of desiccator are combined with relative humidity indicators which are a visual indication of when the desiccator has fully adsorbed.
All have the same 1/2" UNEF thread but vary in length.
The Desiccator body had a knurled surface to help fitting.
Indicator levels:30 & 50% RH AT 25°C
NSN no: 4440-99-004-1356
As we are an exclusive distributor of Brownell Limiteds product we can assure that these products comply with their ISO 9001:2015.