Gas purifiers use:? Disassembly simple to use and reliable. When users need to change filters, simply unscrew the fixing screw cap can be put on the pipe purge the entire group, unscrew the cap. To import filter cleaning can be screwed out of the bottom cover and remove filters for cleaning and drying, and then tighten down the cover, after removing the filters installed equipment and so on parts replacement. When using single-stage, please identify input, output mark. When used in series, the input port input port set "I" group of outputs and "II" group, and the group "II" group of outputs and "III" by some groups were "contraband" short-circuit pipe coupling and three on-off valve open after use, only the first "I" or the "III" to the switching valve control. The device can withstand 0.6Mpa, and with three gas switching valve, can easily control the gas off, with a compact, intuitive, flexible, convenient and reliable operation. Currently our product range with automatic anti-control gas chromatograph, the online version gas chromatography, liquid chromatography, gas generator, chromatography supplies, headspace sampler, water and other products, we focus on our our services and development. We sincerely invite your valuable comments and suggestions, let us work together, work together and make due contributions to the development of China's chromatography instruments. Product Source: www.sepu1718.cn/sdrn17-Products-18981556/ REpower gas purifier Other Information: www.chem17.com/st219042/product_18989198.html Portland Capillary Columns