A water filter system that includes a base that receives water from a faucet, where the base includes a bottom support and a vertical support transversely extending from the bottom support. The vertical support includes a visual light display having visual indicators that indicate different parameters of the filter system. A filter cartridge is seated in the base, and defines a first chamber having at least one filter element, and a second chamber in fluid communication with the first chamber. An enhancement cartridge is removably inserted in the second chamber of the filter cartridge and includes an enhancement material for adding minerals to the water. A cover having an opening is configured to slidingly engage the vertical support of the base so that the visual light display is positioned within the opening of the cover and visible to a user.