Description Compatible with BRITA jugs with \'PerfectFit\' feature (Aluna, Marella, Style) Micro Carbon Pearls reduce chlorine and impurities for improved taste and appearance of food and drinks. Ion Exchange Pearls permanently absorb lead and copper and reduce limescale, for appliance protection Recommended by the UK Tea Academy and by consumers - 96% agree tea is more brilliant with MAXTRA+ filtered water Fresh great tasting water, without the waste of bottled water for just a few pence per litre MAXTRA+ filter cartridges last approximately 4 weeks and are recyclable German quality and design Fits in all Brita Maxtra+ systems Fits in all Brita water filter systems All-in-1 filtration Taste, protection, performance The UK tea Academy recommended Brita reduces limescale build up, helping your kettle and coffee machine to last longer 1 Maxtra+ = 4 weeks Reduce plastic waste!