Also I have in stock following geiger-muller tubes:
SBM-20 (beta and gamma)
SBM-20U (beta and gamma)
STS-5 (beta and gamma)
SBM-21 (beta and gamma)
SI22G (gamma)
SBT-9 (alpha beta and gamma)
SI-29BG (beta and gamma)
SBT11 (alpha beta and gamma)
SBT11A (alpha beta and gamma)
SI19BG (alpha beta and gamma)
Beta-2 (alpha beta and gamma)
SBT10A (alpha beta and gamma)
SI8B (alpha beta and gamma)
Please check THIS eBay LINK or contact me directly by e-mail :