The russell hobbs 20770 purity coffee maker is the perfect solution for coffee purists it is built with advanced technology and includes a built in brita filter that is able to remove impurities from water purer water will mean a great flavour every time you use it cleaner water will also give you give you a purer taste better flavour and will help to develop the natural strong coffee aromas this coffee maker also features a moving water tank that maintains the right amount of pressure goi