• Compatible with all new and old BRITA water filter systems. • Effectively reduces chlorine, lime, and other impurities from tap water. • Enhanced filtration with larger activated carbon surface and finer mesh. • Built-in fine mesh that traps and retains filtered particles. • Finer cartridge grid that reduces the release of black bits. • TÜV certified and BPA-free. • Replace the cartridge every 30 days or after 150 L, depending on water hardness. • Easy preparation in 4 steps, no prolonged soaking required.