JBC Tools FAE2-110, Pre-filter for FAE2 Fume Extractor, Pack of 5JBC Tools FAE2 110, Pre filter for FAE2 Fume Extractor, Pack of 5 Replacement for pre filter. JBC Fume Extractor FAE2 features a compact three layered filter The combination of the three layered filter system reaches a certified filtering efficiency of the soldering fumes up to 99. 95 per cent in accordance with norm EN 1822. The unit has a LED warning to know when it is time to replace the pre filter or the compact filter. It is also notified through