Lifespan is 9-12 months based on the average usage of a 5-member family. Filter life may vary depending on the number of users and quality of tap water.
1st Stage Filter
The 1st Stage Filter is made up of Granular Activated Carbon (resembling small beads). The carbon eliminates chlorine and other chemicals such as pesticide through the process of adsorption. A single gram of activated carbon can have a total surface area of more than 100 square meters (more than 1,000 square feet).