GLI Plastic Manufactured Products
At Great Lakes International, we take great pride in saying we're a U.S. Plastics Manufacturer! For well over 40 years, we have manufactured plastic component parts for water treatment professionals. In fact, we are the original manufacturer of the 'Wrap-Around Tank Jacket'.

Plastic Extrusion

Around the clock, our extrusion lines produce standard products that are used every day by water treatment professionals.
  • Flexible Polyethylene Tubing
  • Rigid Riser Pipe
  • Brine Wells
  • H-Channel Strips
  • Brine Pick-Up Tubes

Vacuum Forming

GLI designed and manufactures the vacuum formed cover used with plastic wrap-around and stainless steel tank jackets. With our modern, state-of-the-art equipment, we are able to produce sharp looking, economically priced covers; adding an enhanced look to your equipment.
  • Wrap-Around Tank Jackets
  • Brine Tank Covers
  • RO System Covers
  • Custom Molding

Injection Molding

We mold thousands of plastic component parts everyday using our 50 to 200 ton injection molding machines.
  • Stacked Segmented Distributors
  • Distributor Baskets
  • Brine Tube Strainers
  •  Fittings
  • A variety of caps and plugs for brine wells,     riser tubes and membrane vessels.