6-Pack Pre-Filter Replacements for AQ-4000 w/Inline Prefilter

Sun Water Systems has designed and produced quality water filtration products, under private label, for over 50 U.S. & International companies and is considered an industry leader in ultra-filtration products. AquasanaUSA is an authorized distributor of Sun Water Systems Inc. The Aquasana line of water filters were chosen for the factory direct marketing program as they represent the most effective and value added products available anywhere.Unlike most other water filtration products, Aquasana products were not designed to meet minimum government or industry standards that allow "Trace Levels" of toxic chemicals in tap water and bottled water. We believe, and science has proven, that there are no safe levels for toxic synthetic chemicals in our water. Aquasana™ is a registered trademark of Sun Water Systems, A Texas Corporation.