Article published in Water Quality Products Magazine attests to the economic and environmental benefits of installying the S38 Water Conditioner by HydroFLOW Holdings-USA to prevent & eliminate limescale in restaurant kitchen equipment without the use of chemicals or salts costing less than $5.00/Year in 12 Volt Electrical Costs after installation that takes a few minutes, requires no plumbing revisions nor maintenance after installation. Products are installed on the cold water service lines in restaurants and are sized by the Outside Dimeter (O.D.) of the cold water service line. The S38 Unit is designed for Residences and restaurants up to 5,000 SF in size and with up to 1-1/2' O.D. Cold Water Service pipes.