Name : pre-efficiency filter media、air dust collector、air regulator
Speciality:
1 Pre-filtration for the heavy polluted general draft apparatus and the air control system.
2 Anti-fractured PET organic synthetic fiber.
3 Large dust holding capacity ,small resistance, long service life and economical.
4 No silicon, chemical resistant and anti-acidic.
5 Conforming with European and American classifications standard in nonflammability(DIN53438- F1;UI900-class 2 with flameout). 
6 Applied to plank filter and foldaway filter.
7 Available in paper frame ,galvanize iron frame, aluminum alloy frame and so on. 
Using : 
Applied to many industry such as pollution controlling ,public construction ,air-condition, electronic,  pharmacy ,food and so on.