... %purity,0.42MPa Customized products,O Gas purification - Air purification Production IntroductionThe OL gas purifier is designed as three-level upgrading ... are: silica gel, molecular sieve and active carbon.The type gas purifier is ideal small equipment to purify H2, N2, Air, ... through silica gel and molecular sieve, purity of outlet gas could reach above 99.9995%. We professionally produce hydrogen ...