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.
Trust the water experts. With over 80 years of water treatment experience, Culligan manufactures the highest-quality products on the market. Our products are extensively researched and tested, and come with a 30-Day, 100% Satisfaction Guarantee. If you donât love your Culligan system, weâll refund the purchase price!