Short answer: A water filter reduces selected contaminants (chlorine, sediment, taste), while distillation removes almost everything — heavy metals, fluoride, nitrates, bacteria and dissolved solids — by boiling water into steam and condensing it back into pure liquid. For the purest possible drinking water, distillation goes further than any ordinary filter.
How does a water filter work?
Most household filters pass water through activated carbon or a membrane. They improve taste and cut chlorine, but performance depends on the cartridge and they cannot remove dissolved minerals, many heavy metals or all microorganisms.
How does a water distiller work?
A distiller boils water into steam, leaving contaminants behind in the boiling chamber. The steam is cooled and condensed into a collection bottle as clean distilled water. Because it relies on a physical change of state, it removes a far wider range of impurities than filtration.
Distilled water vs filtered water: side by side
| Factor | Filtered water | Distilled water |
|---|---|---|
| Heavy metals (lead, arsenic) | Partial | Removed |
| Bacteria & viruses | Varies | Removed |
| Dissolved solids / minerals | Not removed | Removed |
| Chlorine & taste | Improved | Removed |
| Installation | Often plumbed | Plug & play |
Which one should you choose?
Choose a filter for everyday taste improvement at low cost. Choose a distiller when purity matters most — for infants, medical needs, CPAP machines, aquariums, cosmetics, or simply the cleanest drinking water for your family.