... 20' 30' 40' Connection:According to requirements Activated Carbon Filter Cartridges Quality: Iodine value>100mg/g, strong adsorption. Function ... the smell and organic, adsorp the chlorine to make the water more clean. Size: 10", 20", 30", 40" Precision ... : 5, 10 micrion Usage: electroplating, PCB, water machine, water purifier, food and beverage, chemical, etc. Different specifications can ...