The HAKKO FA-430 Fume Extractor is capable of filtering out  99.97% of particles 0.3µm in size when the unit is used with the optional  A1573 ( HEPA filter ) 

Please view the attached document for test data on the A1573 ( HEPA ) filter in the FA-430 fume extractor .

*** PLEASE NOTE THE A1573 MAIN FILTER MUST BE USED IN CONJUNCTION WITH THE A1572 HEPA PRE FILTERS FOR OPTIMAL PERFORMANCE AND FILTERING EFFICIENCY ***