Dafi alkaline up cartridge is an modern alkaline liner that increases the ph level of water. Water with less ph level is more wholesome. Owing to alkaline water you can neutralize the effects of a modern diet that causes acidification of the body. Dafi alkaline up cartridge is a cheap and very simple product that improves the taste and health benefits of water. This is a thing that is made of high quality stuff - activated carbon from coconut shells. The filter increase the smell and smack of chlorine, making it tasty. It is also environmentally friendly product.