... strong inhaling force -control panel -no noise -removable XCL series laser dust collectorUsage:purify waste-gas included fume and deleterious gas ... ,such as tail gas from metalworking,laser, gon arc welding, wire stripping machine,ect.Feature:1) ... type,easy and convenient. 3) no noise Take highly effient measure to absorb noise,equipments work in a quietly surrounding. 4 ...