pre-filtration for the heavy polluted general draft apparatus and the air control system
Anti-fractured PET organic synthetic fibre
large dust holding capacity,small resistance ,long service life and economical
Not contain silicon ,chemical resistant and anti-acidic
conform to European and American classifications for nonflammability(e.g DIN53438-F1,UI900-class2 with flameout)
applied to plank filter and foldaway filter
Available in paper frame,galvanize frame ,aluminium frame and so on