Metallurgical gas precision filter characteristics: natural gas precision filter can achieve dehydration, degreasing and removal of minor impurities and dust. For city gas distribution system, gasification purification, for the city gate stations, pressure regulating stations and a variety of regional gas before the gas purification equipment protection and other occasions. 2 High-density parameter stainless steel strainer (cloth), high filtration precision, washable reusable disposable polyester fiber filter, filtering accuracy up to 1um, you can avoid a large filtration area clean, small pressure loss, long life to install, easy to maintain 3 Model Description GLA: import, export level connection GLB: import, export directly connected