Coarse paper box, air filter (filter, filter) 

 Primary Filter 

 Moisture resistance synthetic fiber filter made of 100%, frame is strong, moisture-proof box made of cardboard. Its normal operating environment will not be deformed, broken, and twisted. In addition to the diagonal fixed frame around the filter. Close bonding and frame filter frame to prevent any gas leakage generated. This series of products off the filter view can be accumulated in the larger dust off the bottom of King, the other side can effectively filter dust. In general, the deeper the discount King, longer service life. This series of products have the following characteristics: 

 Rugged and stable filtration, longer life 

 Robust, efficient, and easy to handle 


 Initial resistance 

 Filtration efficiency and stability 

 Use this filter does not need to change the original air box design, more efficient than traditional flat filter is good, also can be extended back-efficiency particulate air filter life. 

 The early effect of air filter Category: 

 Plate Filter 

 Non-woven filter media 

 Full Metal Filter