Upgrated Water Filter: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, dirt, harmful metals and other substances in the water, remove the odor, to provide clean and healthy drinking water. Through the SGS certification, the use of natural coconut shell activity, ion exchange resin, PP meltblown fiber. Easy to install the filter, the filter on the cap can be easily inserted and removed 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 2 minute. This is the best way to use the filter, will not leak, and smoothly flow of filtration.. On average, every 40 gallons or about every 1 months to replace the filter, keep the tap water healthier and taste better Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!