About Us
At Great Lakes International, Inc., we provide comprehensive solutions for water treatment professionals around the world. Manufacturing, design, engineering, and distribution all work together to give you reputable, quality products, exceptional customer service and technical support. The success of your business can be enhanced by purchasing your component parts and systems from us. We have set the standard for on-time deliveries and competitive pricing, and are determined to always be a leader in the industry.

Reo-Pureā„¢ Reverse Osmosis Systems are manufactured by Great Lakes International. Our systems have been designed and engineered for capacities from 25 gallons per day to 18,000 gallons per day.

Call us today at 262.634.2386 (800.357.8538 Toll-Free U.S.) and we will prove there really is a 'Single-Stop-Supplier' for all of your water treatment, filtration, and drinking water product requirements.