Designed specifically for phthalates analysis. This set consists of a guard column (UA Guard Column Ph) and a connection union (UA Connector) and is used to connect to the Frontier labs UA-PBDE column for phthalates analysis. Using this product, the contamination of the separation column is minimized, and the frequency of the replacement is reduced. Includes: UA guard column Ph (1 ea.), UA connector (1 ea.), VF Metal Ferrule D (3 ea.), and Wrench (6/8 mm, 2 ea.)