... air flow,medium and low voltage2.Countercurrent washing,acid-base neutralizationFeatures:Low air resistance,Low noise,stable ... industry,semiconductor optoelectronics,electroplating and metal surface industry,acid washing process,dyes,pharmaceuticals,deodorant,combustion exhaust gas ... randomly assigned to use.5,Filter:Countercurrent washing,acid-base neutralization filter.6,Dimension: can be customized ...