Solid-phase Extraction Vacuum Manifold, for Chromatography, Used with SPE Cartridges, 12~24 port, 270×90×h160mmIdeal for Sample Preparation in Laboratories, High Recovery Rate, Effective Removal, Concentrate Analytes고체상추출(SPE) 매니폴드, SPE컬럼 & 진공펌프 별도 (DH24CATSL003525)