With BRITA every tap becomes a source of fresh tasting water that never runs out. Pure and fresh water. The BRITA Aluna 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 and reduces taste impairing chlorine and metals like lead and copper. It has a digital indicator that counts down the time of cartridge usage and flashes after 4 weeks to remind you to change your filter cartridge. Dishwasher safe except indicator. With every BRITA product you are actively helping to reduce the number of plastic bottles that could end up in waste.