Quick view Remove from Compare Compare Items Raptor Biphenyl, 2.7um, 5x4.6 mm EXP Guard Column Cartridge, 3/pk SKU : RK9309A0250 Log in for pricing Pending approval Restek RK9309A0250 Raptor Biphenyl, 2.7um, 5x4.6 mm EXP Guard Column Cartridge, 3/pk
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Quick view Remove from Compare Compare Items EC HPLC Guard Column, NUCLEOSHELL Phenyl-Hexyl, 2.7 µm, 4x3 mm SKU : MCN76373830 Log in for pricing Pending approval Macherey-Nagel MCN76373830 EC HPLC Guard Column, NUCLEOSHELL Phenyl-Hexyl, 2.7 µm, 4x3 mm