WELLER Laser Line 200V extraction unit for extracting small to medium quantities of particles during laser marking, engraving and welding constant flow control (CFC) guarantees constant extraction performance regardless of the degree of filter contamination - effectiveness check via USB port - acoustic and visual filter alarm - low noise level - for low to medium particle quantities during laser marking, engraving and welding - compact laser extraction unit for low to medium particle quantities and up to four filter stages - 1 piece Laser Line LL 200V extraction unit - 1 piece compact filter - 1 piece pocket filter - 1 piece operating instructions