Developed with Blue Ring Technology using three layers of filtration, Tank Power 1 removes 10 times smaller particles than regular cartridges.Tank Power 1s’ mesh microns start with 5 microns and end with 1 micron, which filters out 10 times smaller particles than regular cartridges, guaranteeing 99.9% filtration of all impurities.FDA Approved, Food Grade MaterialDeveloped with MicroPoresTechnology which guarantees the absorption of 99.9% of Chlorine Color, Taste and Odor.Unique patent design and colorNew conical shape, with a wider base that acts as an indicator for a correct cartridge installation.FDA Approved, Food Grade MaterialDeveloped with MicroPores Technology which work with Power 2 guaranteeing the absorption of 99.9% of the Smallest Impurities, Organic Materials, Chlorine, Color, Taste and Gases.