The ALPS Filter Cartridge has 6 stages of filtration making it one of the most comprehensive filters on the market. The 6 steps are as follows;

1. Activated Alumina: The worlds best fluoride reducing material is made of aluminium oxide, the same chemical substance as sapphire and ruby

2. Granular Activated Carbon (GAC): Removes many volatile organic chemicals (VOC), pesticides and herbicides, as well as chlorine, benzene, trihalomethane (THM) compounds, radon, solvents, and hundreds of other man-made chemicals

3. Granular Activated Carbon (GAC): Because two is better than one

4. Zeolite: Softens water and has a strong affinity for heavy metals and adsorption of harmful elements, including fluoride

5. Silica Sand: Promotes healthy bone, connective tissue and helps prevent premature aging, cardiovascular and Alzheimer’s disease and keeps water cool and fresh

6. Far Infra-Red Ceramic Balls: Softens water and increases pH