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Hahn Reverse Osmosis System Membrane Replacement
Reverse Osmosis Filters
Model #HF-RO3-RO

One Reverse Osmosis Membrane (Stage 2) replacement for the HF-RO AquaH2O™ Reverse Osmosis Filter. Should be replaced every 1-3 years based on water quality and usage for optimal filter effectiveness.

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    $49.99
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Order before 4pm CST to ship on Monday, 06/17.
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Ultimate Purity

HAHN AquaH2O™ delivers the best drinking water available for optimal hydration.

AquaH2O™ is the first reverse osmosis system of its kind to pair powerful reverse osmosis filtration with AquarePure™ selective filtration PLUS remineralization.

Goodbye Fluoride

Remove over 95% of fluoride without demineralizing your water for optimally healthy, clean water.

Reverse Osmosis is the only proven water filtration method on the market to effectively remove fluoride from regular tap water.

Ultimate Versatility

Remineralizes water to put back the healthy minerals lost in the reverse osmosis process like calcium, magnesium, and potassium.

Improves water pH balance for optimally alkaline drinking water.

Reverse Osmosis + AquaPure™ Technology + Remineralization

Effectively removes >95% of fluoride plus over 70 other contaminants and puts back healthy minerals for optimal drinking water.

Reverse Osmosis
Filters out dissolved solids smaller than 1 micron like fluoride and arsenic.
Activated Carbon
Reduces organic chemicals like herbicides, pesticides, VOCs and MTBE.
Catalytic Carbon
Targets chlorine and chloramines (chlorine + ammonia disinfectant).
Ion Exchange
Filters heavy metals like lead and mercury
Absolute Sub-Micron Filtration
Captures asbestos and chlorine resistant cysts like guard and cryptosporidium.
Remineralization
Puts back healthy minerals to improve pH balance and water alkalinity.

Easy Filter Replacement

Replacements engineered for ease. Eco-friendly carbon and AquaPure™ filter housings easily twist off so replacing your filters is a snap!

Product Enhancing

HAHN AquaH2O™ features our fastest flow rate of 0.8 gpm to deliver optimally clean, healthy water fast!


Easy Installation

Attaches easily to shower pipe. Long lasting filters only need to be replaced twice a year.

Reverse Osmosis

Reduces 14 impurities including fluoride, nitrates, nitrites, lead, radium and arsenic.

Selective AquaPure™ Filtration

Reduces 60 contaminants including chlorine, chloramines, heavy metals, pesticides, and herbicides.

Remineralization

Designed to provide healthy amounts of calcium, magnesium and potassium for optimally alkaline, pH balanced water.

NSF Certified

Includes NSF/ANSI Standards 42, 53 & 58.

  • 2-Year RO Membrane Life
  • 1-Year Remineralizer Life
  • 6-Month Carbon / AquaPure™ Filter Life
  • 2-Year Warranty
  • 90-Day Guarantee

HAHN™ 1-Year Warranty

Our HAHN Filtration Warranty is simple with no surprises — and covers our products for defects in materials or workmanship in manufacturing. The toughest decision you have to make is choosing which HAHN Filtration system to install.

HAHN™ Customer Support

Direct, personal contact with our customers is important to us. Our dedicated service technicians are here to assist with any of your needs — from product and warranty information to installation tips to replacement parts.

Hahn Reverse Osmosis System Membrane Replacement