Do not inhale smoke while soldering. This Device features a 3 filtration system. Smoke is purified by a High density Filter used to catch big particles, A HEPA filter to purify microscope particles and Carbon Filter to to trap odors. The Device is Compact. Portable, Lightweight yet Powerful centrifugal fan. The hose can extend up to ~2.5ft (~78cm). This Fume extractor features awesome filtration at fraction of the cost compared to other HEPA fume extractors. Just remember, If it’s HEPA it’s not filtration.