Products
Commercial and Industrial Water Filtration Products

Commercial/Industrial Reverse Osmosis (RO) Systems
We offer many makes and models for all applications and types of water. Call us for our wide selection of stand-alone units for upgrades and replacements, or complete package systems. We can service any of our competitors’ units. Call us for membranes or parts that are compatible with most RO models.
Medical RO Units and Systems For Dialysis
We offer medical water purification equipment and systems for laboratories, pharmacies and dialysis units.
- Pre -Treatment Systems
- Post-Treatment Systems
- Accessories and Consumables
Softeners
We offer a complete line of commercial and industrial softener systems and Fleck valves. We have resin, brine tanks, valve-rebuild kits and parts for most models. We also offer a rebuild program where you can send us your valve, and we will rebuild it for you. Need on-site service? Give us a call!
Carbon Filters
We offer a complete line of commercial and industrial backwashable carbon filters and Fleck control valves. Call us for a complete unit or for repair parts and service. We also have a complete line of supplies for rebedding filters, including carbon and eductors.
Storage Tanks and Repressure Systems
We carry a full line of both cone-bottom and flat-bottom tanks, along with a variety of level-control packages and vent filters. Select the right size of tank for your available space from our many sizes.
Booster and Repressure Pump Packages
We carry a complete line of pumps, including Grundfos, March and Iwaki, available for any flow or pressure needs. Call us to select the right pump for your application.
Cartridge Filters
We have cartridge filters available for any application. Filters come in all micron sizes and flows, with blown/pleated/hollow fiber. Remove suspended solids or bacteria and endotoxins. We have specialty filters for removing chlorine, hardness, total dissolved solids, etc. Buy a replacement filter or complete filter housing.
Automatic Backwashing Filters
Call us for a whole-building filter or for plant-cooling water filtration. Many choices of filters are available for large filtration jobs.
Ozonation

Commercial Laundry
Oxidation systems are available for all sizes of commercial laundry washers. Go green and save money on all utilities plus chemical and labor costs. Improve the quality of your load and shorten your wash time.
Call us to request that we provide a no-cost, no-obligation survey of your facility to estimate the savings available for you. We offer rentals, leases and the purchase of systems, so it fits your budget. We guarantee great results and that you will be spending less than you are saving every month on a rental or lease-to-own unit. Free demo units can be installed. Call us for details.
Water System Sanitization
We offer ozone units sized to sanitize water distribution piping and tanks. Portable and wall-mounted units are available. All our systems include safety, alarm and monitoring features. These systems are sized for your application.
Special Applications
We provide ozone units for many applications, including ozone in water systems for sanitizing and disinfecting, and ozone in air systems for odor and germ or microbial control. Call us to discuss your options.
- Surface Sanitizing
- Food Processing or Packaging
- Container Rinsing
- Drinking Water Problems
- Dairy Applications
- Wineries
- Any Other Special Application
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Great Northern Water Co., Inc.
4407483009
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