Apr 16, 2021 · Item # aijiren Technology-VDK, This is a brand new, upgraded 4 or 5 Channel, vacuum degasser module made by Systec with special mounting bracket designed to replace the factory aijiren Technology bracket and the original vacuum chambers found in the solvent tray of many aijiren Technology brand HPLC & UPLC systems (e.g. 2690, 2695, 2790, 2795). Same Teflon AF membrane tubing used