Product Description Did you know tap water contains minerals, however it can contain taste impairing substances such as chlorine and organic impurities. The new BRITA MicroDisc is made of activated natural carbon from coconuts and contains millions of pores, securely locking away taste impairing substances – but leaving in all the valuable minerals to great tasting BRITA filtered water. Box Contains 1 Reduces chlorine and other organic impurities from tap water but retains key minerals Long-lasting capacity with each disc lasting 1 month/150L, great taste from just 5p/litre Wider and thinner design enables 50% faster flow of water than original filter disc giving easier drinking Fast preparation, simply submerge disc in water for 1 minute Only suitable for new fill&go Vital, fill&go Active and Active XL filter bottles. Not compatible with original Fill&Go.