Frotec 50gpd Ultra Low Pressure Reverse Osmosis RO Membrane

£24.14 £20.12
In stock

The Frotec RO-1812-50 50GPD (US Gallons) membrane is suitable for use in the following Vyair systems:

  • RO-50
  • RO-50M
  • RO-50MP
  • Compact 3 Stage
  • Compact 4 Stage

As well as our RO systems, this membrane can be used in any reverse osmosis system that requires a 50 gallons per day membrane.

The Frotec RO-1812-50 50GPD (US Gallons) membrane is outstanding quality resulting in low conductivity output water. 


  • Membrane type: Thin-film composite
  • Membrane material: PA (Polyamide)
  • Outstanding performance, high stability and reasonable price

Technical Specifications:

  • Max. operation pressure: 600 psi(4.2 MPa)
  • Max. feed water temperature: 45 ℃
  • Max. feed water SDI: 5
  • Max. free chlorine in feed water: <0.1mg/L
  • Range of feed water PH value of constant run: 3 - 10
  • Range of feed water PH value of chemical cleaning: 2 - 11

Please Note: All gallons are quoted by the factory in US gallons - 3.78 litres = 1 US gallons. There are a number of factors that affect the output of reverse osmosis water filters, input water pressure, TDS of Input Water, Bacterial Film on RO Membranes (not changing pre-filters often enough) and most important particularly in winter months water temperature.

Please Note: The membrane you receive may fary in colour to the one shown in the image.

You will not obtain optimum output unless you can replicate the manufacturers test conditions. This is not for this specific brand but most types of RO membrane.

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