Since there is such a high flow rate, this eliminates the need to store water which reduces the chances of water being contaminated after it is filtered. The only external force required for the system to function is GRAVITY. The flow rate of a filter is determined by a combination of:
• Head pressure (The distance from the top of the water to the filter)
• Altitude (The higher the altitude, the slower the flow rate)
• How clean the filter is
• The filter itself (there are slight variation between filters)