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AQ-4000 Dual-Filter Drinking Water System includes 2 filter cartridges, chrome faucet adapter & instructions.  Get the best water at a fraction of the cost of bottled water.  Aquasana's exclusive dual filter system uses a combination of carbon filtration, ion exchange and sub-micron filtration to produce truly healthy, great tasting water at the convenience of your kitchen tap. Naturally healthy, great tasting water at the touch of a button!

My friend recently purchased a drinking water filter from AquasanaUSA and is very pleased.  She told me the benefits of removing chlorine and other harmful containments from my drinking water.  I too, now own the Aquasana AQ-4000 and I am very pleased with my purchase.  Linda S, California

Benefits:

• Reduces up to 99% Chlorine, Lead, Mercury, VOC's, THM's, MTBE and 100 other common tap water contaminants! NSF Certified 42 & 53
• Sub-Micron Filtration
• Filter out 99.99% of Cryptosporidium and Giardia (chlorine resistant parasites)
• Leaves in the natural trace minerals
• Improves taste and smell
• Lasts up to 500gallons or 6 months
• Removes Turbidity
• Compact design (7"Wx9"Hx4"D)-Installs in seconds 
• 60 Day Satisfaction Guarantee!
• Only 9cents a Gallon for Better than bottled water quality!
• Made in the USA!

If you are interested in installing this system under the counter you may want to look at the undercounter systems.  Basic Undercounter Drinking System & Premium Undercounter Drinking System

 Voted Best Buy for water filter, Consumers Digest 2003/2004/2005/2006/2007 By  Aquasana is the #1 rated home water filtration system in America.  Better, healthier water--costing less than any other brand!

Aquasana is the #1 rated home water filtration system in America, works better & costs less than any other brand!
Top 6 Water Filter Comparison

The patented twin cartridge drinking water filter installs in seconds to standard kitchen faucets and provides up to 30 gallons an hour of ultra-filtered high quality water for drinking, cooking and other beverages. Includes filter housing‚ chrome faucet diverter‚ twin filter cartridge set (lasts 6 months/filters 500 gallons), easy to follow instructions and cartridge re-order forms. Replacement filters cost $47.99 every 6 months/500 gallons...that's less than 10¢ a gallon/ $8.00 a month for a virtually unlimited supply of "healthy water". 

Replacement Filter - $47.99 every 6 months or 500 gallons Replacement Filter AQ-4025. 

Warranty Info - An Aquasana exclusive! With our convenient "Water 4 Life" cartridge auto-ship program, your Aquasana Water System is WARRANTED FOR LIFE against defects or damage, even if the damage is your fault! No other company stands behind their products like we do. All Aquasana Systems come with a 60 day, 100% MONEY BACK GUARANTEE.

"At the touch of a button, Aquasana transforms tap water into naturally healthy, great tasting drinking water!"