8 layers of depth filtration, truly "core" healthy, the first layer blocks large particle impurities, the second layer filters floating particles, the third layer removes heavy metals, the fourth layer purifies calcium and copper ions to avoid vomiting, and the fifth layer slows down Release odors in the water, the sixth layer purifies the water, the seventh layer filters small impurities again, and the eighth layer irradiates UV germicidal lamps, with a sterilization rate of 99.99%
