Water filter . If in your house they drink tap water – even though they don't like it – or buy bottled water – which represents carry heavy bottles and accumulate a lot of plastic – buying a faucet to filter the water is the solution. It is a device easy to install and to use in the kitchen dishwasher. Filters contaminants such as chlorine, lime and heavy metals. You can use unfiltered water for washing dishes and filtered water for drinking, cooking, or making coffee.