... Carbon Filter Cartridges Quality: Iodine value>100mg/g, strong adsorption. Function: remove the smell and organic, adsorp the chlorine to make the water ... ", 30", 40" Precision: 5, 10 micrion Usage: electroplating, PCB, water machine, water purifier, food and beverage, chemical, etc. Different specifications can be ... you with our super quality and competitive price product.Great Filter, Feihong Made.