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Pre-filtration for the heavy polluted general draft apparatus and the air .??
Anti-fractured PET organic synthetic fibre
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Large dust holding capacity , small resistance , long service life and economical
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Not contain silicon , chemical resisting and anti-acidic
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Conform to European and American classfications for nonflammability( e.g DIN53438-F1 , UL900-class 2 with flameout)
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Applied to pank filter and foldaway filter
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Available in paper frame ,galvanize frame , aluminium frame and so on
Remark:
Variety of sizes and thickness ,according the customer’s requirement
