GAMMA / BICRON / Saint-Gobain TFX701AR Mica End Window Pancake Style / Pancake GM Tube for Geiger-Mueller Tubes BNIB / NOS

<p>The mica window for Geiger-Mueller tubes allows beta particles and high energy alpha particles, as well as low dose gamma radiation, to enter the detector.&#160; Mica window detectors are suitable for monitoring in a wide variety of environments</p>