带 PE 筛板的聚丙烯固相萃取空管，20μm 孔隙度, Empty polypropylene SPE Tube with PE frits, 20 μm porosity

固相萃取储液器, Empty SPE Tube (no frits)

EPA VOC校准标准品套装, EPA VOC Calibration Standards Kit

萃取装置, Extractor

过滤器滤芯主体, Filter Cartridge Body

Frit Cap Assembly for Supelco^® HPLC Column Hardware

适用于 Supelco^® HPLC 色谱柱的筛板

Fritted Purge Sampler

带筛板的吹扫取样器

γ-DEX^TM 325

通用吸附剂, General Purpose Adsorbent

玻璃填充 GC 色谱柱（适用于Agilent，配置“A”）, Glass Packed GC Column (fits Agilent, Configuration "A")