... purifying element 1) silk warp range: 0.10mm-0.55mm (common wire through is: 0.20mm - 0.25mm ... 3) the surface condition of the gas-liquid filter: flat type network surface and pressed into a ... ) 4) the width of the range of gas-liquid filter: 40mm, 80mm, 100mm, 150mm, 200mm, 300mm, 400 ... The standard provides for three types of gas-liquid filter that standard, efficient and high-penetration type. We ...