V-type high efficiency filter, also known as large air volume W/combined filter, combined high efficiency filter frame is divided into: plastic frame, galvanized frame, aluminum frame, stainless steel frame, commonly used plastic frame combined high efficiency filter. It is suitable for use in research and production departments where various processes require less than 100,000 class cleanliness (<0.5um dust particles). Because the filter has good bacterial filtration performance, it is especially suitable for pharmaceutical industry, biological laboratory, hospital operating room, food industry, cosmetics industry, etc.