Triode Mini Ion Gauge Tube with 90° Elbow Back Catalog number: 342015 Availability: In the manufacturer's stock Price on request - + Recommended G3870-20444 Extraction Lens, 3mm 6 816,96 Kč G3170-60171 5975C Inert EI 350 Repeller Assembly 35 821,44 Kč G7000-20444 Extractor Lens, 3mm, for 7000B QQQ 6 505,92 Kč