It is applied to purification of smoke and dusts produced by various of welding and grinding and recycle of rare metals and precious materials.

　　There are 3 protection measures for fire risk and large slag to make the purifier live longer and more secure.

　　It uses PLC full-automatic control, operated conveniently; filter cartridge applies all-around automatic back blowing to make filter cartridge surface more clean and the purifier will have a constant air suction; filter cartridge uses imported PTFE tiny hole coated filtering material with high accuracy filtering which can up to international indoor emission standard.

　　It can handle much air volume, lower noise, obvious captured effect. The suction hose uses real heat-resistant, wear resistant composite to live longer, and will not rupture when burned out by spark.