SciLab® Professional Separatory Funnels, with DURAN® PBT GL-Screwcap/PTFE Seals / 100~5000㎖스크류-캡 분액 깔때기, PTFE콕, DURAN Boro-glass 3.3, with PTFE plug Stopper (1542393484) | 코랩샵 KOLAB