Nowadays, having excellent water quality becomes more important for health. Here is a inexpensive and convenient water filter for family use or lab. You just simply need to connect it to the water faucet. After filtration, the water could be used to clean fruits and vegetables. Advantages: its elements could be easily replaces at any moment, convenient to dismantle and assemble, and travel with you to any place. For a period of time you can see the obvious change of the filter element.