... 3.Highly Efficient 5.CE, ISO, CCC DS-150 coal dust control machine ITEM: DUST SUPPRESSION SPRAYER MODEL ... and other large construction site, etc. Model DS-150 Throw 150m Volume Flow 120-240L/min Fog Droplet ... dust is suppressed through particle agglomeration! And DS-150 sprayer's fog droplet size is 50~300um, ... more easily impacts the droplet! DS-150 coal dust control machine mist blower mining machinery