This solder fume absorber is compact and suitable for DIY soldering stations with HEPA filter, which can absorb harmful particles used in soldering stations, hand engraving, jewelry soldering, etc. It can quickly, safely and effectively absorb welding fumes and smoke. It is equipped with an activated carbon filter (which helps neutralize odors) and a HEPA filter (which can capture 0.3 micron-sized smoke particles). You can adjust the suction power and wind speed of the machine according to the amount of smoke generated during the welding process. The machine is quiet and efficient when running, allowing you to focus on your work without being disturbed by noise. It reduces the inhalation of unknown harmful gases, and the smoke will not blur your vision.【Important Note:[Model# HDBD-30-0521 = BD-30] The SKU on the product label and Package is the Original Factory Code.The Model# on the listing is the inventory code and Homedepot code of item. They are for the same product, no wrong item.】. Color: Black.