Gravity filters are very simple, freestanding units that use two containers and a tap spigot. You simply fill the upper chamber with water which filters through the ceramic filter cartridges. Some systems can use up to 4 filters to give you the fastest possible production flow rates.
The gravity filter systems presented here are as suitable for use filtering municipal tap water in the kitchen as they are for providing safe drinking water from an African river. Collapsible and easily transported this type of filter has been in use with aid agencies & as expedition water filters for many years and has prevented many problems.
These highly portable water purification systems are affordable and will give many years of dependable service. Knowing that you have a portable gravity water filter to hand for emergency situations is good for peace of mind, even if there is already a plumbed in home water filter system.