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Ro unit

4

Ro unit for sale on largest auction and classifieds sites

Home / Plumbing & Fixtures / Ro unit refurbished & used for sale | For Sale UK
Bag john guest - bag, 10

Bag john guest - bag, 10

£13.80
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Reverse osmosis unit with - reverse,

Reverse osmosis unit with - reverse,

£164.99
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100gpd stage reverse - 50/75/100gpd, 4

100gpd stage reverse - 50/75/100gpd, 4

£89.99
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Aquati stage di resin - ro,

Aquati stage di resin - ro,

£99.95
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John guest equal - 1/4", tee,

John guest equal - 1/4", tee,

£17.80
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Aquati stage di unit - &,

Aquati stage di unit - &,

£48.15
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Reverse osmosis unit - reverse,

Reverse osmosis unit - reverse,

£27.99
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Reverse osmosis unit - osmosis,

Reverse osmosis unit - osmosis,

£11.99
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Reverse osmosis unit - reverse, ro

Reverse osmosis unit - reverse, ro

£64.99
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Refillable inline filter - refillable,

Refillable inline filter - refillable,

£8.99
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Finerfilters aquarium water - finerfilters,

Finerfilters aquarium water - finerfilters,

£48.50
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Reverse osmosis membranes - reverse,

Reverse osmosis membranes - reverse,

£43.95
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Reverse osmosis water - reverse,

Reverse osmosis water - reverse,

£172.95
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400gpd reverse osmosis - ro, fcs

400gpd reverse osmosis - ro, fcs

£16.99
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Finerfilters reverse osmosis - finerfilters,

Finerfilters reverse osmosis - finerfilters,

£170.95
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100gpd stage compact - 3,

100gpd stage compact - 3,

£48.99
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Stage di resin - 5, &

Stage di resin - 5, &

£85.95
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Stages unit water - 6,

Stages unit water - 6,

£68.30
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Reverse osmosis stage ro - reverse,

Reverse osmosis stage ro - reverse,

£24.99
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Kflow countertop reverse - kflow,

Kflow countertop reverse - kflow,

£208.70
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Stage di reverse - ro,

Stage di reverse - ro,

£42.99
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Aquati stage di unit - &,

Aquati stage di unit - &,

£49.85
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Reverse osmosis water filter - reverse,

Reverse osmosis water filter - reverse,

£125.49
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Stage di resin reverse - stage, ro

Stage di resin reverse - stage, ro

£72.00
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Low pressure switch for - pressure, 1/4''

Low pressure switch for - pressure, 1/4''

£4.99
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Reverse osmosis unit filter - osmosis,

Reverse osmosis unit filter - osmosis,

£7.99
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200gpd stage reverse osmosis - 4,

200gpd stage reverse osmosis - 4,

£164.99
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Aquati stage di system - aquati, 5

Aquati stage di system - aquati, 5

£33.95
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Reverse osmosis unit - osmosis,

Reverse osmosis unit - osmosis,

£34.99
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Aquarium reverse osmosis - , 5

Aquarium reverse osmosis - , 5

£72.00
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Reverse osmosis filter set - reverse,

Reverse osmosis filter set - reverse,

£34.99
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Chen self regulating - e-chen,

Chen self regulating - e-chen,

£64.99
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Reverse osmosis unit - osmosis, ro

Reverse osmosis unit - osmosis, ro

£49.56
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Stage rodi aquarium reverse - stage,

Stage rodi aquarium reverse - stage,

£119.95
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Aquati stage di system - stage, ro

Aquati stage di system - stage, ro

£27.95
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Reverse osmosis water filter - reverse,

Reverse osmosis water filter - reverse,

£107.95
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Reverse osmosis ro unit - osmosis,

Reverse osmosis ro unit - osmosis,

£99.99
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Stage reverse osmosis - 3, ro

Stage reverse osmosis - 3, ro

£39.95
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200gpd reverse osmosis fcs - osmosis,

200gpd reverse osmosis fcs - osmosis,

£44.99
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Stage rodi aquarium reverse - rodi,

Stage rodi aquarium reverse - rodi,

£94.99
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Stage di reverse - stage,

Stage di reverse - stage,

£51.95
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Reverse osmosis ro - ro, unit

Reverse osmosis ro - ro, unit

£13.99
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Reverse osmosis water - di,

Reverse osmosis water - di,

£92.95
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Aquati year supply - 1,

Aquati year supply - 1,

£24.95
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Reverse osmosis clear - osmosis, 10"

Reverse osmosis clear - osmosis, 10"

£13.99
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Reverse osmosis membrane - reverse,

Reverse osmosis membrane - reverse,

£11.42
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Standard water storage - standard,

Standard water storage - standard,

£42.79
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Aquati stage di - aquati, 4

Aquati stage di - aquati, 4

£48.15
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Big stage di filter - big,

Big stage di filter - big,

£90.95
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Reverse osmosis unit - ro,

Reverse osmosis unit - ro,

£84.50
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Reverse osmosis vontron - x,

Reverse osmosis vontron - x,

£37.95
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100 150gpd stage reverse - 4,

100 150gpd stage reverse - 4,

£80.00
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Hanging mounting bracket - mounting,

Hanging mounting bracket - mounting,

£6.99
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Stage reverse osmosis - 3,

Stage reverse osmosis - 3,

£43.95
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Carbon block filter - 10",

Carbon block filter - 10",

£179.99
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L13 reverse osmosis - 10",

L13 reverse osmosis - 10",

£26.99
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Compact reverse osmosis - reverse, ro

Compact reverse osmosis - reverse, ro

£19.99
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Aquati stage di - xl,

Aquati stage di - xl,

£146.95
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Granulated gac carbon - gac,

Granulated gac carbon - gac,

£179.99
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Stage reverse osmosis ro - 3,

Stage reverse osmosis ro - 3,

£24.90
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Litres 5000ml mixed - litres,

Litres 5000ml mixed - litres,

£37.99
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Complete filter replacement - complete,

Complete filter replacement - complete,

£25.90
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Reverse osmosis vontron - osmosis,

Reverse osmosis vontron - osmosis,

£29.95
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High pressure switch - pressure, for

High pressure switch - pressure, for

£4.99
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Aquati stage reverse - aquati,

Aquati stage reverse - aquati,

£32.95
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Stage water purifier - ro,

Stage water purifier - ro,

£129.00
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Flow restrictor for reverse - flow,

Flow restrictor for reverse - flow,

£4.99
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Aquati stage 450gpd - aquati, 4

Aquati stage 450gpd - aquati, 4

£169.95
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Flow restrictor 4 - ro,

Flow restrictor 4 - ro,

£4.95
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Aquati replacement filters - replacement,

Aquati replacement filters - replacement,

£37.95
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Tulsion 115 virgin mixed - mb-115,

Tulsion 115 virgin mixed - mb-115,

£46.99
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Compact reverse osmosis - reverse,

Compact reverse osmosis - reverse,

£10.99
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Stage compact unit for - compact,

Stage compact unit for - compact,

£41.99
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Reverse osmosis unit - osmosis,

Reverse osmosis unit - osmosis,

£19.99
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Stage reverse osmosis - 5,

Stage reverse osmosis - 5,

£18.90
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Reverse osmosis water - reverse, ro

Reverse osmosis water - reverse, ro

£52.70
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Compact unit replacement - compact,

Compact unit replacement - compact,

£10.99
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Stage aquarium reverse - 4,

Stage aquarium reverse - 4,

£68.99
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Aquati replacement pre post - replacement,

Aquati replacement pre post - replacement,

£26.95
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Deionising resin - deionising, di

Deionising resin - deionising, di

£21.99
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Aquarium reverse osmosis - aquarium,

Aquarium reverse osmosis - aquarium,

£69.95
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Carbon sediment - 10", ro

Carbon sediment - 10", ro

£15.95
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Vontron high quality reverse - vontron,

Vontron high quality reverse - vontron,

£29.95
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Window cleaning aquarium

Window cleaning aquarium

£119.99
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Reverse osmosis additional - osmosis,

Reverse osmosis additional - osmosis,

£36.95
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Stage reverse osmosis - ro,

Stage reverse osmosis - ro,

£40.95
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Push fit pipe fittings - 1/4",

Push fit pipe fittings - 1/4",

£29.99
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Water filters sediment - 20", &

Water filters sediment - 20", &

£65.95
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Deionization stage - deionization, di

Deionization stage - deionization, di

£17.39
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Stage reverse osmosis - stage,

Stage reverse osmosis - stage,

£89.95
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Compact stage reverse - 4,

Compact stage reverse - 4,

£42.50
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Complete replacement filters - complete,

Complete replacement filters - complete,

£38.90
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Reverse osmosis water filter - reverse,

Reverse osmosis water filter - reverse,

£153.75
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Replacement filters 50gpd - 10",

Replacement filters 50gpd - 10",

£17.99
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Pozzani prowater 4040 - 4040, /

Pozzani prowater 4040 - 4040, /

£144.00
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Pozzani prowater 4040 - pozzani, ro

Pozzani prowater 4040 - pozzani, ro

£126.00
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📊96 listings · from £4.95 · avg £60.38
⚠️ These listings were last updated more than 19 days ago. Search for fresh listings

Browse 96 ro unit listings currently in our index. Prices range from £4.95 to £208.7, with an average of £60.38. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about ro unit →

Try this: small corner basin | brita tap cartridge | mira galena | rak series 600 | drain cover | hozelock titan pond pump | shogun van | mercedes w204 grille | roca laura | copper roll

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Everything you need to know about ro unit

Whether you are looking for a brand-new or second-hand ro unit, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £4.95, while premium listings can reach £208.7 — giving you a wide budget spread to work with. The average price of £60.38 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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