Watts W-525, 5-Stage, 50 GPD Reverse Osmosis System


In Stock as of 8:00am EST

  • 50 Gallons Per Day Output
  • Certified System
  • Includes Faucet, Tank & Accessories
  • Produces Purified Water Fast
  • Under Sink Reverse Osmosis System


Features and Benefits:

  • Five stage treatment for superior performance
  • 50 GPD membrane (Made in USA)
  • Designer chrome faucet with ceramic disc for greater durability
  • Genuine John Guest fittings throughout for optimum security
  • 3/8" post filter and 3/8" tubing to faucet for greater flow
  • Assembled in USA
  • Certified by NSF International (Std. 58) for third party documentation
  • Certified to NSF / ANSI Std. 58 for Pentavalent Arsenic reduction
  • One year limited warranty from date of purchase
Particle size removal range by filtration

View a chart of particle size removal range by filtration for thin-film composite membranes.
Bladder Tanks for Reverse Osmosis Systems
Remineralizing Kit

Neutralize the pH of your RO water
with this Remineralizing Kit.

Additional information

Weight 27 lbs
Gallons Per Day


Parts / Accessories

  • O-Ring for FH4200 & FH7000 Series Filter Housings

    Part#: OR237-BN70
  • CSM 50 GPD Thin Film Composite Membrane

    Part#: RE1812-50
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