Filter Media, Filter Meshes, Filter Components manufacturer / supplier in China, offering Welded Nylon Filter Mesh Bag 5 15 20 30 40 Micron for Laboratory Research, Custom Made Sewn Mesh Air Pre Filter Bag Black 100 130 Micron Hydrophobic Polyester Protective Dust Cover, Diameter 4" 7" Nylon Mesh Filter Bag Chemical Resistance for Paint Micron 100 125 150 170 200 220 280um and so on.