PPM Grade Dual Column Inert Gas Purifier with Regeneration Heater (Removing O2 & H2O to PPM) - GPH-DHDO Battery Cell Tester You must put the cover

You must put the cover on the top during operation

Li foil may have a passivation layer

m±5%  Width 480mm Length 20 meter Surface quality Mat finish Fish Eye 2mm or less in diameter (clear)

5 mm for each side

PPM Grade Dual Column Inert Gas Purifier with Regeneration Heater (Removing O2 & H2O to PPM) - GPH-DHDO Battery Cell Tester You must put the coverGPH DHDO connects two gas purifiers ( one for de oxygen and another for de humidity ) together by 1 4'' stainless steel pipe and two valves and ready to install to any MTI gas mixing system. It reduces gaseous impurities to sub ppm levels at room temperature operation. It removes H2O, O2, CO, CO2, H2 and NMCH's to <0. 1 ppm from any 99. 9% purity inert gas (Nitrogen, Argon, Helium, Krypton, Neon and Xenon) and H2O, O2and CO2 from Hydrogen. What is