ESSENSIL

Chromatography columns for laboratory use; Chromatography columns for use in purification in the laboratory; Laboratory apparatus and instruments, namely, pre-packed columns for use in separation and purification; Laboratory apparatus and instruments, namely, pre-packed columns for use in Analytical Chemistry; Laboratory columns for use in Analytical Chemistry; Scientific apparatus and instruments, namely, chromatography columns for use in purification in the laboratory and parts and fittings therefor