The NEW SEAL Tosoh Bioscience Part #13076 TSKgel SP-NPR is a high-quality chromatography column designed for use in HPLC (high-performance liquid chromatography) applications. Made by the reputable brand Tosoh in Japan, this 4.6 mm x 3.5 cm column features a SP-NPR model specifically optimized for chromatography purposes. With its efficient and reliable performance, this product is ideal for a wide range of labs and research settings requiring precise and accurate separations of various compounds.