... width) 3) the surface condition of the gas-liquid filter: flat type network surface and pressed into a corrugated ... specifications) 4) the width of the range of gas-liquid filter: 40mm, 80mm, 100mm, 150mm, 200mm, 300mm, 400,500 ... .The standard provides for three types of gas-liquid filter that standard, efficient and high-penetration type. We ... 80-100 70-400 170-560 170-600 copper wire gas-liquid filter