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Home > Drinking Water Systems > Reverse Osmosis Systems > Under Sink Reverse Osmosis 
Vertex Water Products PureWaterMachine 50-GPD 4-Stage Reverse Osmosis System.

Model PT-4.0

Reverse Osmosis Water Filter System - PT4

The Pure water Machine made by Vertex Water Products is a high performance reverse osmosis system that produces high quality drinking water.

The machine is build with only NFS approved filter elements:

  • KX Carbon Block
  • Osmonics Sediment Filter
  • Omnipure Post Filter
  • Hydronautics Membranes
  • John Guess Flow Tubing
  • Jaco Fittings


  • Auto Shutoff Valve
  • Flow Restrictor-modified capillary
  • Lon reach, Non-Airgap Faucet
  • Feed Water Connector-Threaded Inlet Adapter with Metal Ball valve.
  • Drain Clamp
  • 1/4 inch Flexible Polyethylene Tubing with Plastic Compression Fittings

Reverse Osmosis General Info

System Capacity 50 GPD
Tank Capacity 4 gallon Plastic Tank Pre-pressurized with Butyl bladder storage tank
1st Stage 5 micron Sediment Pre Filter, Sun Poly Cartridge, 9 3/4 
2nd Stage 10 Micron taste and Odor Carbon Block Pre Filter, 9 3/4
3rd Stage High Quality TFC Membrane
4th Stage Post Filter In-Line Granular Activated Carbon
Operating Pressure 40-100 psi
Filter Type Fits 10" Standard Housing  
Full One Year Warranty


Our Price   $ 399.00         ON SALE   $ 250.00


Recommended Replacement for membrane: Every Three years
Replacement for Carbon Post Filter and UV Light: Every Year 
Replacement for Sediment Filter: From 6 to 9 Month





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