The kinetic energy of the mass of exhaust gas carries it along the exhaust pipe, and causes a pressure build up ahead of the mass of gas and a partial vacuum behind it. This principle is used in a tuned exhaust system.
Culligan - $2352 ($2053 w/o R/O unit) Culligan Gold Series (10), Good Water Machine. If I were to look at price only, I would go with either the cheaper Ecowater system w/R/O at $2698 or the Culligan system. At almost $4k, the Kinetico system seems greatly over priced.
NUVOH2O is a water conditioning system which can convert the hard water of your household, into soft water. Say goodbye to hard water and clogged plumbing since NUVOH2O will provide you with clean, fresh, and soft water at an affordable cost! Avail of the special TV offer NUVOH20 cost which starts at only $29.95!