【SUCTION UPGRADE】 The power and suction have been upgraded from 80W to 130W, from 180m3/h to 250m3/h. The suction per unit power has been greatly enhanced. Solder fume extractor has 3-level speed regulation, you can control the suction speed according to the amount of smoke. It grabs all of the smoke and particulate coming from welding and keeps the smells away.【FILTER PLUS+ 】Three-layer filter effectively absorbs PM50, PM0.5 and harmful gases generated by welding, soldering and nail salon. Smoke absorber use a square vertical filter, which has 4 times larger dust capacity of a flat filter core. Filtered through the primary filter cotton, HEPA filter layer, and activated carbon high efficiency filter layer to achieve 99.97% filtration, ensuring your safety.【15''x10'' LARGE SMOKING AREA 】The fume extractor soldering is equipped with two aerodynamics diamond covers. The size of the black cover is equal to a piece of A4 paper. The size of the transparent cover is 3 times the size of A4 paper, which can effectively remove fumes and particles from a large area. You can choose different diamond covers according to different types of soldering work.【SMALL SIZE】 The size of the welding fume extractor is 265*265*475mm which is small enough to fit under the desk without getting in the way. Ideal for small workstations and home DIY, you won't get in the way of your work, avoiding clutter in your work environment.【SLEEP LEVEL MUTE】 The higher the power , the higher the noise . However, the lowest level of our fume extractor is only 45 dB, and the highest is no more than 55 dB. When running, the noise is as low as running a computer. Only when you have a quiet and comfortable working environment can you improve work efficiency.