Home :: HPLC Columns :: Princeton Chromatography :: PrincetonSPHER Series :: PrincetonSPHER-300 C4 300Å Series :: PrincetonSPHER-300 C4 300Å - 5µm :: PrincetonSPHER-300 C4 300Å 5µm, 21.2 x 250mm, ea.