Enjoy pure and healthy water! Great for drinking, cooking, coffee, tea, pets and plants. At home, the office, schools, restaurants and laboratories. Assembled in the Lone Star State with the best components sourced from around the globe!



New Millennium RO System Options

With options ranging from 3,4, and 5+ stages, UV, Deionization, filters and membranes, we have the solution for your pollution. By coupling our unique production process with personal attention to each of our WATERWORLD USA Partners, this enables us to build each system according to the specific needs of the customer.


Proline-EZ Features and Production Specifications
Proline-350EZ Proline-450EZ Proline-550EZ
Number of Stages 3 4 5
Production* 50 GPD 50 GPD 50 GPD
Membrane Type TFC TFC TFC
Stage 1 5 Micron Carbon Block 5 Micron PP Sediment 5 Micron PP Sediment
Stage 2 TFC 50 GPD Membrane 5 Micron Carbon Block 5 Micron Carbon Block
Stage 3 5 Micron Carbon Block TFC 50 GPD Membrane 5 Micron Carbon Block
Stage 4 Inline GAC TFC 50 GPD Membrane
Stage 5 Inline GAC
Fittings Type Quick Connect Quick Connect Quick Connect
TDS Rejection* 95%-99% 95%-99% 95%-99%
Recovery Rate* 15.6% 15.6% 15.6%
Tank Capacity 3.2 Gallons 3.2 Gallons 3.2 Gallons
System Dimensions WXDXH 14”x6.5”x16” 14”x5.5”x17” 16”x5.5”x17”
Tank Dimensions DXH 11.5”x16” 11.5”x16” 11.5”x16”
Shipping Weight 27 Lbs. 27 Lbs. 31 Lbs.
Shipping Dimensions 20”x19”x19” 20”x19”x19” 21”x19”x19”

*Data obtained after 24 hrs. testing with Houston city water, 300 PPM, 75° F, and 80 PSI. Claims not tested or certified by WQA.

Custom Option List:

  • In-line UV Lamp 1.0 GPM
  • Membrane flushing Device
  • Built-In Pressure Gauge
  • 75 or 100 GPD Membrane
  • 3/8” Tank-To-Faucet for higher flow
  • Private Labeling


All Waterworld USA systems are assembled in USA. Each system is tested independently before shipping to insure top quality, performance and is backed by the Waterworld USA name.


If you are interested in buying a Proline Plus System for your home, please click here.

If you are interested in information about how to become a Waterworld USA patenter, please click here.