Xinxiang Mengma Ail Filter can be also called wind grid, inlet grid, there are large amount of water, dust particle, oil mix in air. It will lead to pipeline corrosion and blockage and instrument mist& pneumatic equipment will be failed. Our mengma filter could high efficiency remove impurities in air and make air clean, make sure equipment is normal operated. 1.Filtering precision:5um--10um 2.Filtration efficiency:98%. 3.Service life is approximately 2000h 4. Made by the imported Pure wood pulp filter paper.