Reverse Osmosis
& Nanofiltration


Water treatment equipment production range from 150gpd up to 500,000gpd.


Built to last, our equipment is fully-featured with quality parts.


We ship direct to you or your customer across the states and internationally. Blind shipments also available.


All LIGHT COMMERCIAL models ship safely via UPS.


R. O. Systems Int'l., Inc. has been manufacturing quality water treatment equipment, since 1989.
Standard models and custom-build, 'private-label' equipment. We know what the Dealer wants.
Reliability Consistency Performance Competitive pricing Excellent customer service