Shopping Cart (0) Quotes (0) Express Ordering All Categories > Products > Chromatography > Column Chromatography > QCH-1 Column, Chromatography, PTFE Stopcock > Advanced Search Advanced Search in QCH-1 Column, Chromatography, PTFE Stopcock Unit of Measure Imperial Metric Both Specifications Description With Disc Without Disc Length (mm) No Preference 203 254 305 457 601 Length (in) No Preference 8 10 12 18 24 Column ID (mm) No Preference 13 19 25 38 50 64 75 Stopcock (mm) 2 4 Clear Cancel Advanced Search