When you go looking for the right water purifier for your needs be sure that you know what your wanting to do long term, whether you are wanting a permanent fixture to your current home, or if you are thinking long term and are wanting something that you can take with your or travel with. When you invest in a countertop water purifier it will give you the opportunity to take it with you when you travel on different vacations, this way if you are somewhere the water has not been boiled; you will be able to take this with you, that is one of the advantages to a countertop water purifier, there are portable ones available out there.