The ekspert microLC 200, ExpressHT-Ultra and Express LC-Ultra UHPLC are intelligent accessories needed for rapid chromatography. These accessories are specially designed to provide optimal performance for Eksigent MicroLC systems. It also promises optimal data quality. A new kind of fitting system has been incorporated into its design and this helps in reducing the time needed for column change-out and also the labor involved in the same. The column packing process ensures durability of the device. The column lengths, however vary from three centimeters to fifteen centimeters. The instrument also offers an interesting and varied range of stationary phases like C18, C8, C4, cyano, amino, phenyl, and HALO™ C18, C8 and phenyl hexyl.