This Essen Instruments 4354 Pipeline Dispenser is in great condition, has been tested and is guaranteed to be fully functional. These dispensers came from a local lab that had surplus lightly used inventory. We urge customers to view all photos as they show overall condition, included accessories, and functionality. Please feel free to contact us with any questions. PLEASE NOTE: This system is designed to be used with the Peripette consumable; not included. Essen Instruments 4354 Pipeline Dispenser Dispensing speeds of 4, 6, and 8 mL Programmable volumes: 0.1mL ? 99.9mL in 0.1mL increments; 100 mL ? 9999mL in 1.0mL increments Memory stores 8 user presets The Essen 4354 Pipeline dispenser (in conjunction with the Peripette consumable; not included) efficiently transfers sterile fluids. By combining the advantages of a peristaltic pump with the convenience of a sterile consumable, the Essen 4354 Pipeline dispenser and associated Peripette consumable provide a fast, accurate and efficient solution for transferring sterile fluids such as cell culture media. Because the fluid delivery combines aspiration and dispense it is easily twice as fast as manual pipetting.