I.D. x Length | 3 µm | 7 µm | I.D. x Length | 3 µm | 7 µm | 1.0 x 50 mm | | 32139 | 4.1 x 50 mm | 32162 | 31783 | 1.0 x 100 mm | | 32140 | 4.1 x 150 mm | 32163 | 31937 | 1.0 x 150 mm | | 32141 | 4.1 x 250 mm | | 31938 | 1.0 x 250 mm | | 32142 | 4.6 x 150 mm* | | 31946 | 2.1 x 150 mm | | 31931 | 4.6 x 250 mm* | | 31922 | 2.1 x 250 mm | | 31932 | 10.0 x 250 mm | | 31885 | 4.1 x 30 mm | 32161 | 31860 | | | | * PEEK Hardware | | For Steel Columns | For PEEK Columns | Analytical Starter Kits (1 holder, 2 cartridges) | 31841 | 31800 | Analytical Replacement Cartridges (5/pk) | 31834 | 31801 | Semiprep/Preparative Starter Kit (1 holder, 1 cartridge) | 31739 | | Semiprep/Preparative Replacement Cartridges (2/pk) | 31740 | | |