Graduated Fine-Squibb Separatory Funnel, with 24/40 or 29/32 Cone, 50~2,000㎖With PTFE-Plug & PE Stopper, Borosilicate Glass 3.3, 눈금부 정밀형“ 스퀴브” 분액깔때기 (SL21CAT00001724)