... alkali.Non sopping, non dampingIntensity high, obstruction little, cleaning dust effectual, cleaning dust efficiency more than 99% Anti-acidGood ……………………………………………..Anti-alkaliFairAnti- ... /min. It is mainly used in air cleaning and recovering value powder.Function:Heating Proof, ... Non sopping, non dampingIntensity high, obstruction little, cleaning dust effectual, cleaning dust efficiency more than 99%