JBC FAE1H Fume Extractor features a three-layered filter.

Includes:

• FAE1110 Pre-filter retains large solid particles in order to protect HEPA filter H14 and extend its lifetime.
  
  
• HEPA filter H14, it filters out the remaining solid particles and it used where extremely high air purification is required. More efficient in particle retention MPPS * = 99.995% (in accordance with EN 1822).
• 
  Active Carbon filter effectively absorbs gas molecules, providing filtration even for those particles that may not be captured by other ones.

FAE1H has a LED warning to know when it is time to replace the filters. It is also notified through the unit display.