US Water Aquapurion 5-Stage Reverse Osmosis Module Only

Regular Price $333.26 As low as $199.95
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5-Stage RO filter system Module, does not include tank, faucet and fittings. It is ideal for applications where you already have a tank and faucet or other various applications.

If you have a reverse osmosis system that utilizes proprietary cartridges and membranes, which are very expensive, then a better choice is to replace it with the US Water Aquapurion 5-Stage Module. It is also ideal for applications where you may not need a tank or just want to fill an atmospheric tank. NOTE: This is NOT a complete system. It does not include a tank, tubing, or a faucet. It does include all the filters and membrane. It is for consumers who want to replace their RO module only and already have a faucet and/or a tank.


  • Full 3/8" Flow From Tank-to-Faucet
  • All-American Made Filters and Membrane
  • BPA Free
  • 3-Year Warranty
  • High Pressure Permeate Pump Upgrade Option For Houses With IceMakers, Multiple Outlets, Or Installations In Basements, Garages, and Mechanical Rooms
  • All Components are NSF and WQA Compliant
  • Built in the USA

Filtration Stages

  • STAGE 1 - 5-Micron Sediment Filter: Reduces Dirt, Sand, and Rust
  • STAGE 2 - Carbon Block Filter: Reduces Chlorine Taste and Odors
  • STAGE 3 - Carbon Block Filter: Reduces Chlorine Taste and Odors
  • STAGE 4 - USA-Made 50 GPD RO Membrane
  • STAGE 5 - Granular Activated Carbon Final Polishing Filter: Enhances the Taste of the Water

Dimensions & Specifications

  • Dimensions
    • Standard Module: 16" wide X 17" high X 6" deep
    • With Permeate Pump: 16" wide X 18" high x 7" deep
  • Inlet: 1/4" Tube
  • Drain: 1/4" Tube
  • Tank: 3/8" Tube
  • Faucet: 3/8" Tube
  • Maximum Temperature: 80° F
  • Maximum Pressure: 100 psi

additional information

DimensionsRO Module: 16" w x 17" h x 6" d RO Module (with permeate pump): 16" w x 18" h x 7" d
Warranty3 Year Warranty
ManufacturerUS Water Systems
More Information