The #1 ingredient in Health & Wellness is healthy water. Food and beverages prepared with filtered water not only taste better, but are also better for you.  
The human body is 72% water
 
With Aquasana you can be sure that you are getting the best. No other home water filtration system, at any price, has ever outperformed Aquasana. Using the latest technology. Aquasana has taken a revolutionary approach to water filtration through the sequential reduction of contaminants. Removing chlorine and other inorganic compounds with filter 1 and organic chemicals, lead and parasites with filter 2.... the result is optimum performance and filter cartridge life.
 
Filters last approx 6 months/1900 Litres. Replacement cost (both filters) $70.00.