There was one more, so I've included it. Filter Media Type: Activated Carbon * Filtration Flow Rate: 1.8 liters/minute * Purifier Lifespan: Approximately 30 tons, or about 1 year with 80 liters of use per day (may be shorter depending on water quality and pressure) * Materials: ABS resin, Polypropylene * Purification Capacity: 80% removal of free residual chlorine up to a total filtration volume of 30,000 liters (JIS S 3201 test results)