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SiliCycle SiliaSep PREMIUM Spherical Flash Cartridges, Silica-Based, Diol, 25 um, 90 A, Column Type: 12 g Flash Cartridge, Column Format: 21 x 117 mm, Max. Pressure: 225 psi/16 bar, Polypropylene, Particle Size: 25 um, Technique: Flash Chromatography, Cap