“witeg” Premium A-class ASTM/USP and DIN/ISO Batch Certificated Graduated Cylinder, Tall-form, 5~2,000㎖With Spout-Amber Stain Scale·Hexagonal Base·DURAN Glass 3.3·DE-M marked, DIN & ASTM 표준 메스실린더, 배취보증서, 갈색침투눈금 (DH24CAT00001076)