Hskyhan filter has been upgraded, water filtration is more effective than before. 7 layers of filtration to make the water weak in alkaline. Depending on the source of the water, the pH is usually increased by 0.5 to 2 or more. Filtered pH from 7 - 10 depending on your faucet water. Can effectively filter the water of fluoride, chlorine, lead, dirt, harmful metals and other substances in the water, remove the odor, to provide clean and healthy drinking water. Use filtered tap water for: cooking, coffee, tea and juice, ice cubes, pets, etc, enjoy the most pure tasting water. For example, tea and coffee when the tea and coffee aroma is more likely to emit. Precautions: 1. Wash hands before touching the filter and rinse with cold water for 15 seconds. The first 2 pitchers of filtered water may contain carbon dust , Use on plants or discard. 2, do not use hot water, water temperature above 100.4 ℉ (38 ℃) affect the use of results. 3,Filter first time use instructions: Clean the filter with running water about 1 minute, then put the filter soak into water and shake gently about 1 minute. This is the best way to use the filter, will not leak, and smoothly flow of filtration.