Speciality
1) Pre-filtration for the heavy polluted general draft apparatus and the air control system.
2) Anti-fractured PET organic synthetic fibre
3) Large dust holding capacity , small resistance , long service life and economical
4) Not contain silicon , chemical resisting and anti-acidic
5) Conform to European and American classfications for nonflammability( e.g DIN53438-F1 , UL900-class 2 with flameout)
6) Applied to pank filter and foldaway filter