tap filter Features: 1. Removing particles and impurities larger than 2.5 micron, such as the slurry and residue which may cause calculus, the sand which may cause stomach problems, bugs which can pollute drinking water, colloids, suspended substances, micro-organisms and asbestos which can cause organ dysfunction. 2. Using the classification of pore size filter stage to remove the fine particles in water and the rust which may cause hepatitis and to prevent congestion in advance and extend the life span of the product. The second one : Hollow fiber filter Features: 1. Ultrafiltration hollow filament membrane can intercept very small suspended particles, colloids, particles and bacteria in water. We can drink the water directly after filtering. 2. With high filtering precision, it can filter micro-organisms (bacteria, algae, mold, etc.), colloids and macromolecular organic matter in water. After filtration, water can be drunk directly. 3. Triple-mode interception of macromolecular substances: 4. It adopts membranes micron-hole filtration, the diameter is 0.01 micron. 5. The special technology of production process of filament membrane ensures the large water flowing volume and the non-ease of congestion. 6. High strength, acidity and alkalinity-resistant, bacteria corrosion-resistant, good heat resistance. 7. Large water contact surface area. 8. It has uniform crack-shaped micron holes, which has high interception rate and stable performance. The third one: Activated Carbon Filter (US NSF certificated) Features: 1. Adsorbing horrible smell and color, residual chlorine, heavy metals, carcinogenic substances in water. 2. Regulating the PH value of water, improving the taste of water. 3. High-quality activated carbon filter has stronger adsorption ability; filtered water has a good taste. 4. Imported from USA with NSF certificate issued by America National Health Foundation. 5. Much better than the general ones in the market. It can still filter residual chlorine even if water pressure reaches 8L/min. For the general ones, chlorine can not be filtered when the water pressure is above 2L/min. 6. It has a longer life span than the general ones. The fourth one: Far-infrared ceramic filter Features: 1. When water flow through the far infrared ceramic filter, it can adsorb the light wave released by far infrared ceramic filter, which can achieve the activation of water.2. Lasting and stable micron water molecules have high penetration power and solvency, which can promote detoxification and metabolism of our body. It also has effects of sterilization and disinfection.