Refurbished Beckman 127S solvent module pump (p/n 728137) with solvent tray. The Beckman System Gold 127S Analytical Pump, Microbore belongs to the 127 Pump Family: Dual gradient high pressure mixing (stand alone with front panel control). Sold as a stand-alone unit or as part of the Beckman System Gold HPLC System. Please contact us for complete Beckman 127 solvent module unit, warranty and service contract details.