The Aquasana AQ-4000 Counter Top Unit has been voted "Best Buy for Water Filter" by Consumers Digest from 2003 - 2008. Includes 2 cartridges, a faucet adapter and installation instructions.

The AQ4000 dual filter system produces great tasting, healthy water by using a combination of carbon filtration, ion exchange, and sub-micron filtration. Tested and Certified under NSF Standards 42 & 53, the Aquasana AQ-4000 reduces:

Other Specifications:

• Removes sulfur odor from most locations (although in some locations such as south Florida this unit will only reduce the odor)
• Stabilizes PH between 7.25 and 8.5
• Dimensions: 9 1/2" x 7" x 3 3/4"
• .5 GPM flow rate

Filters should be changed every 500 gallons or 6 months.

Also included with the AQ-4000 you will receive information and a sign up form for Aquasana's "Water 4 Life" replacement cartridge auto-ship program where you'll qualify for free upgrades, discount pricing, and much more.

If you would like to mount your system under the sink the AQ-4050 Undersink Installation Kit is also available. The AQ-4000 is NOT designed for use with an ice maker.