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Reo-Pure Reverse Osmosis Systems
R.O. System Components
R.O. Pre-Treatment & Post-Treatment
Filtration Products
Water Softener & Filter Components
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Fittings, Tubing & Connections

Comprehensive Solutions for Water Treatment Professionals

  • Quality Water Treatment Products
  • On-Time Deliveries
  • Competitive Pricing
  • Exceptional Customer Support


Great Lakes International is the ‘Single-Stop-Supplier’
you can count on for all of your water treatment and
filtration products. Let us make your life easier!

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Water treatment professionals around the world look for the knowledge and understanding Great Lakes International provides to help their business grow. Four decades of experience give us the advantage of knowing and stocking the water treatment products you need. We stock a comprehensive line of water treatment, filtration and drinking water  products and components, so you don’t need to.

  • Reo-Pure™ Reverse Osmosis Systems
  • R.O. System Components
  • R.O. Pre-Treatment & Post Treatment
  • Filtration Products
  • Water Softener & Filter Components
  • Water Test, Monitor & Disinfection
  • Fittings, Tubing & Connections

Great Lakes International was one of the first companies to design and manufacture residential and commercial reverse osmosis (RO) systems. Our well-known trade name, Reo-Pure™, has earned a solid reputation in the water treatment industry for its quality, ease of operation and longevity. Thousands of satisfied customers have Reo-Pure™ RO systems in their homes and businesses throughout the world.

Call us today at 262.634.2386 (800.357.8538 Toll-Free U.S.) or email us at sales@greatlakesintl.com and we will prove that there truly is a ‘Single-Stop-Supplier’ you can count on. See for yourself that GLI is the only manufacturer and distributor of water treatment and drinking water products you will ever need.

 
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