Washable pre-filter

Low initial resistance

Large dust holding capacity

Application: Filter dust, pre-filter through air filter 

program, also used in the clean room

Type: synthetic fiber foldaway filter

Frame: aluminum or galvanized, with dismountable 

frame design

Media: washable synthetic fiber, can wash 6-8 times

EN779 class: G3,G4

Average arrestance:84%-88%(ASHRAE52.1-1992)

EUROVENT4/5 class: EU3,EU4

DIN53438 Non-flammability Standard: F1 

Final resistance: (suggest) 200Pa-250Pa

Max. air flow: 125% of the rated air flow

Humidity:100%

Remark: Special sizes available upon request.

Our company is one of the best international enterprises, specialized in producing the relevant products in the field of filtration and purification in China. With the advanced technique, continuously innovative and powerful science and technique research, our products have been sold to various countries and regions, such as Japan, Korea, Australia, the United States and Southeast Asia.