FFU - Fan Filter Unit Knowledge

Why fan filter units are necessary for clean room? Fan filter unit (FFU) is an air cleaning device, used to provide clean air to cleanroom in semiconductors, pharmaceutical, food manufacturing industries, or hospital, etc. The filtered clean air is evenly sent out on the ent...

Some studies show that wearing a mask consistently practicing good social distancing can significantly reduce the spread of the coronavirus (COVID-19). However, concerns about aerosol transmission have prompted many people to think about HEPA and ULPA fan filter units as well. So, how d...

How loud is the FFU? How many decibels of FFU noise is reasonable? There are much data on the noise of FFU. For example, when a single FFU is tested in the laboratory at 0.9m/s, the noise is measured 1 meter below the filter. Due to different fan models, specifications, and manufacture...

Air filter, especially HEPA filter has long been the most critical component of fan filter units. Therefore, filter maintenance is indispensable. A filter with high efficiency will boost fan filter unit performance. This article will discover 3 factors that affect the efficiency of fan fi...

What is a fan filter unit? How to choose the right FFU? These are top 10 questions people frequently ask about fan filter unit (FFU) . Let's find out! 1. What is FFU? FFU, also known as fan filter unit, is air-cleaning equipment, which is normally ceiling-mounted. It is used ...

In cleanroom design, it is common to use air handling unit systems and terminal devices such as HEPA boxes to filter the air before entering the clean room. However, there are many cases where FFU is used as a self-contained cleaning device for cleanrooms. When do we need to i...

Fan-filter units (FFUs) are used increasingly by the pharmaceutical, microelectronics, food manufacturing industries to deliver filtered air to environments requiring high degrees of cleanliness. From an acoustic standpoint, several important design considerations are implied with the use...

HEPA filter is the most important part in fan filter unit (FFU). Why this part have such huge influence on FFU? Let's find out. 1. What is HEPA filter? High-Efficiency Particulate Air (HEPA) filters are the most commonly used filter. This type of air filter can theoretically re...