Our company has three ceramic water purifier filter. Was able to do five filtering. The first filter: pp cotton, the first filter out visible impurities, not in "dirty" water into the water purifier, purifier to protect life. The second filter KDF carbon three a filter, it has triple filtration, the first heavy ceramic shell: Filter oil and small dirt. The second heavy coconut shell activated carbon: Adsorption tap water harmful substances and bacteria, removal of residual chlorine. Third tier: KDF1: change the type of water (industrial water changed into household water) 2 large molecules into smaller molecules changed (easily absorbed with the role of beauty) 3, can kill bacteria subtle. 4 depth removal of residual chlorine 5, changing the pH of water. The third element: We installed a super-precision coconut shell activated carbon filter, cartridge filter had a second after you can drink straight, but we in pursuit of perfection, but also added an activated carbon, can make to improve the taste of water man drinking water in nature. Truly a five filter water purifier. Then I talk about the body of the material, we use the body material is PP material, better than any other home, other homes are food grade ABS, PP materials, higher levels of food, absolutely eliminate the secondary pollution.