The first thing you need to decide is, what you want the filter to do for you. Most people want a filter to give them cleaner, fresher tasting water, whilst others want specific contaminants removed from the water, for example some people in older properties have lead supply pipes and they want to be sure that the lead is removed, whilst others may wish to banish the hard water scale and film from their tea.
Use the comparison chart to select a system that does what you need, then look for other features such as size, price etc. Remember that it is the media (the material inside the filter cartridge) that determines the performance of the system, on most units it is possible to change to a different cartridge later if your requirements change.
If you are at all unsure or need more help please contact us.