The manufacturer of the Acquity H-Class Bio System, Waters is Waters. Refurbished Waters Acquity H-Class Bio complete with: Acquity UPLC Bio Quaternary Solvent Manager (p/n 186015041), Bio Sample Manager-FTN (p/n 186015040) and Acquity UPLC single column heater (p/n CH-A) (available part numbers: 186015042 & 716002974).