... resistance The feature PP melt blown filter cartridge:1) High precision,high flow rate, high pressure resistance and high corrosion ... contaminants holding capacity With longer filtration life.3) No fiber releasing and media migration4) No surfactants or adhesives are present to interrupt ... 30", 40"9)Applicable PH value:1-131010)Precision of filtering(micron):1,3,5,10,20,30,40,50...The parameter ...