高效空气过滤器主要用于捕集0.5um以下的颗粒灰尘及各种悬浮物，基本要求是过滤效率高、流动阻力低、能较长时间连续使用以降低后期耗材成本。高效空气过滤器在空气净化行业中起着至关重要的作用，可广泛用于光学电子、LCD液晶制造，生物医药、精密仪器、饮料食品，PCB印刷等行业无尘净化车间的空调末端送风处。高效和超高效过滤器均用于洁净室末端，以其结构形式可分为有:有隔板高效过滤器、无隔板高效过滤器、大风量高效过滤器,超高效过滤器等。
       另外还有三种高效过滤器，一种是超高效过滤器，能做得到净化99.9995%。一种是抗菌型无隔板高效空气过滤器，具有抗菌作用，阻止细菌进入洁净车间，一种是亚高效过滤器，价格便宜，以前多用于要求不高的净化空间。

High efficiency air filter（minipleat HEPA filters）is mainly used to capture below 0.53um particles of dust and all kinds of suspended solids, the basic requirements are high filtering efficiency, low flow resistance, and can be a long time continuous use in order to reduce material cost late.High efficiency air filter in the air purification industry plays a vital role, can be widely used in optical electron, LCD manufacturing, biological medicine, precision instruments, drinks, food, PCB printing industry such as dust-free purification workshop in air terminal air supply.
Efficient and highly efficient filters( minipleat HEPA filters）are used in the clean room terminal, in the form of the structure can be divided into: minipleat hepa filter, hepa filter without separators, big air volume high efficiency filters, super high efficiency filter, etc.

In addition, there are three high efficiency filters(minipleat HEPA filters), one of which is ultra high efficiency filter（ULPA air filters）, which can purify 99.9995%@0.3um. The other Type is a kind of antibacterial hepa air filters, preventing bacteria into the clean workshop, and the last is a kind of sub-high efficiency filter(H10-H11), cheaper, normally used for the purification of the request not high.