Triode Mini Ion Gauge Tube with 90° Elbow Back Catalog number: 342015 Availability: In the manufacturer's stock Price on request - + Recommended G7000-20444 Extractor Lens, 3mm, for 7000B QQQ 6 505,92 Kč G1999-20432 73CI Repeller 12 026,88 Kč 401A Detech 401A Electron Multiplier Price on request