Since the beginning AQUATHIN had acquired a patent for its unique treatment system which utilizes REVERSE OSMOSIS PLUS DEIONIZATION. And over Aquathin's 30 plus Years Pure Excellence, we have earned seven patents. At AQUATHIN, we have listened to the important feedback from our dealers and from their input, developed the finest water filtration, conditioning and treatment systems for residential, commercial and laboratory applications. All AQUATHIN systems encompass sophisticated design and technique for the highest efficiency available. Maintenance is minimal allowing us to give you the finest warranty in the industry . . . and we live up to it. Your AQUATHIN Water Treatment Professional has been trained and educated with the technical support afforded at AQUATHIN UNIVERSITY. Further, when you purchase your AQUATHIN you have become a member of the ever-growing AQUATHIN FAMILY. We will send you an annual service reminder direct from the factory free of charge, to have your system inspected and serviced if necessary.