500025 4SV Four-Stage Reverse Osmosis System by Watts Premier




Collections: All, Reverse Osmosis, Specials

Product type: Reverse Osmosis

Vendor: Premier a Watts Brand

Tags: 4-Stage, Daily Deals, Standard


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This Reverse Osmosis System was one of the first systems on the market. This water filtration system provides great water quality. This system installs under your sink. This storage tank provides you with enough water for your daily use. Changing the filters is as simple as: removing the filter housings by unscrewing the filter bowls, dropping in your new filters, and then screwing back on the filter housings.  For Warranty/Technical and Certifications Information.


  • Reverse Osmosis Filtration System
  • 3-Gallon Storage Tank
  • Chrome Air-Gap Faucet
  • Adapt-A-Valve Water Shut-Off Valve
  • 50 GPD Membrane
  • Full Set of Filters


  • MFG Brand Premier
  • NSF Listed
  • Certified NSF/ANSI 372 Lead Free

Reduction Claims Validated for this unit by WQA:



Product Dimensions  (Due to the individual fittings the exact measurements may vary slightly.)

  • Rack and Cartridges (15.1" W x 17.3" H x 5.3" D)
  • Tank (13.6" H x 11.0" D)


For additional warranty information on this product, please call our Internet Customer Service Center at 1-800-752-5582