Air quality management is a key factor in modern electronics manufacturing.Factories producing printed circuit boards,semiconductor components,and automotive electronics must maintain strict environmental standards to avoid contamination.One of the most important components in the air filtration system is the Primary Filter,which serves as the first stage of protection against airborne particles.The efficiency level of a Primary Filter determines how effectively it can capture dust and other contaminants before the air moves to secondary filtration stages.In electronics factories,selecting the right filtration efficiency is essential to ensure both clean air and optimal system performance.Typically,Primary Filters used in industrial air handling systems are designed to remove large particles ranging from 5 to 10 microns.These filters usually have an efficiency rating between G3 and G4 according to international filtration standards.This efficiency level is suitable for capturing coarse dust,fibers,and other airborne particles that are commonly found in manufacturing environments.Choosing the correct efficiency level for a Primary Filter depends on several factors,including the cleanliness requirements of the production area,the type of equipment used,and the airflow system design.For example,electronics factories with standard assembly areas may use G3 or G4 Primary Filters to remove large contaminants before the air reaches medium-efficiency filters.In facilities with higher

