Trajan (SGE) Replacement SilTite μ-Union for Joining 0.1 - 0.32 mm & 0.53 mm Columns/Fused Silica, without Ferrule, 5 pc/PAK

µ-Union only, no ferrules Ferrules for 0.1 - 0.25 mm ID columns have 0.4mm holes. Ferrules for 0.32 mm ID columns have 0.5mm holes. Ferrules for 0.53 mm ID columns have 0.8mm holes.