As the glass fiber paper unique brittleness, so in the use and installation of the first to consider not touching sharp objects and repeated rubbing, followed by glass fiber paper in use should be as little as possible contact with water or other corrosive liquids, so as not to affect its normal use . Requirements clean plant has a good clean equipment. Again, coarse, medium and high efficiency filter to a reasonable use to ensure that each filter does not assume heavy dust load. Finally, the visual inspection before installation to detect whether the appearance of filter paper and filter damage, and after installation to detect the seal, strict leak detection.