Laminated filters as final filter used in clean-room, can meet critical requirements on air purification from class 100000 to class 100 at normal temperature. On the basis of features of Chinese market, HEPA air filters with variable moulds and with different test methods are available, which can reach ideal life-time and ensured efficiency at various operation conditions with rational protection from pre-filters. This Alum. Separators or Clapboard separators HEPA filter with metal frame or with plywood frame passed all DOP scanning test.

Features:

* Low initial resistance with high efficiency at rated volume.
* Easy installation and guaranteed sealing performance.
* No particle shedding from filter itself after dust-proof process, thus with high safety of cleanness.
* frames can be chosen from galvanized-steel, aluminum and stainless sheet.
* Separator: Paper or aluminum.