The manufacturer of the Agilent 1260 Infinity II Preparative Valve-Based Fraction Collector (G7166-64000) is Agilent Technologies. This refurbished 1260 Infinity II Preparative Valve-Based Fraction Collector is a compact, full-featured fraction collector for daily compound isolation and purification by LC. Optimized for collection of up to 11 high-volume fractions its versatile design allows operation in both routine sample purification workflows and recovery applications. The built-in fraction delay sensor allows precise and automatic calibration of the fraction collector for accurate sample collection.