GREATWELL MRO400 High Capacity 400GPD RO Membrane Replacement 400 GPD Tankless Reverse Osmosis (RO) Water Filtration System – St


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  • Fits Greatwell ROG400 RO system.
  • Package includes one 400 GPD RO membrane that works efficiently with a 1.5:1 pure to drain ratio.
  • It removes up to 99% of over 1,000 contaminants including lead, fluoride, arsenic, hormones, asbestos and more, and lasts for up to 3 years.
  • Snap-on RO membrane provides easy filter replacement.
  • It is recommended to be replaced every 2 to 3 years depending on the water quality and usage.