Reverse Osmosis Membrane Housings

4021 Stainless Steel Membrane Housing


Stainless Steel RO Membrane Housing to fit 4021 membranes.

Our Stainless Steel RO Membrane Housings are easy to assemble and disassemble when changing membranes.

Easily removable clamp fittings are secured by bolts and nuts on both ends. Fit over the lip of the end cap and housing to secure both together.

  • Max Operating Pressure: 225 PSI
  • Each end cap consists of Centre and Side Ports: 1/2" FNPT
  • Feed from the pre filter housings fit into the side port with the centre port blanked off. On the opposite side the centre port is for Permeate (good water) and the side port is for Concentrate (waste water).
  • Housing only - port fittings not included

Prices include delivery to UK Mainland
(ex. Scottish Highlands)


Price £83.75 ea
(£100.50 including vat and UK delivery)


HRO Membrane Housing


NSF standard 42 tested and certified.

The HRO membrane vessel is suited to residential and small scale reverse osmosis applications and houses most standard 12" by 2" membrane elements. Manufactured from FDA-approved polpropylene, with no solvents or glues used in the manufacturing process.

All ports are 1/8" NPT female thread. To attach HRO membrane housing in place use 2" or 2 1/2" clip.


Prices include delivery to UK Mainland
(ex. Scottish Highlands)


1 - £12.50 ea
(£15.00 including vat and UK delivery)


2 - £11.00 ea
(£13.20 including vat and UK delivery)


3 + £10.00 ea
(£12.00 including vat and UK delivery)

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