Nalgene 可修复式手动真空泵(带真空计),锌合金 Obtain full blank port pressure with only two strokes when using the Thermo Scientific Nalgene Zinc/Aluminum Hand-Operated Vacuum Pump with Gauge, a multi-purpose self-lubricating pump featuring outstanding efficiency. Cast in corrosion-resistant zinc/aluminum and easily disassembled for repair or replacement of internal parts, this hand pump quickly and easily attains a vacuum of 25″ (635mm) Hg or a pressure of 30 psi (35kPa). 特点
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