The Brita MAXTRA PRO All in 1 Water Filter Cartridge Pack 31 is a Water Filter Cartridge designed for Gravity Based water purifier systems. Key features: Innovative 4-stage filtration with natural activated carbon from coconut shells and ion exchanger pearls, filters trace impurities such as certain herbicides, pesticides, and pharmaceuticals, reduces taste-impairing chlorine and metals like lead and copper. BRITA Memo for cartridge replacement reminder. Package includes: 3x BRITA MAXTRA PRO ALL-IN-1 cartridges. Rated for 230 V AC, 50 Hz at 60 W. Rated capacity: 450 L. Operating pressure range: 0.3 to 3.0 kg/cm2. Temperature range: 10 Degrees Celsius to 40 Degrees Celsius. Built from Plastic for durability. Manufactured in Germany with 1 Year warranty coverage.