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SiliCycle SiliaSep Flash Cartridges, Silica-Based, C4 polymeric, 40 to 63 um, 60 A, Column Type: 40 g Flash Cartridge, Column Format: 27 x 169 mm, Max. Pressure: 225 psi/16 bar, Qty: 1 Pk., Polypropylene, Particle Size: 40 to 63 um, Technique: Flash Chrom