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Reverse osmosis

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Reverse osmosis for sale on largest auction and classifieds sites

Home / Air Filters / Reverse osmosis refurbished & used for sale | For Sale UK
Aquaphor 50s reverse - aquaphor, ro-50s

Aquaphor 50s reverse - aquaphor, ro-50s

£47.50
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Reverse osmosis water filter - reverse,

Reverse osmosis water filter - reverse,

£172.95
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Finerfilters reverse osmosis - finerfilters,

Finerfilters reverse osmosis - finerfilters,

£170.95
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Reverse osmosis water filter

Reverse osmosis water filter

£249.99
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Pure reverse - v2,

Pure reverse - v2,

£31.41
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Official waterdrop ro - waterdrop, wd-g3-ro

Official waterdrop ro - waterdrop, wd-g3-ro

£69.99
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Aquati stage di resin - 5,

Aquati stage di resin - 5,

£99.95
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Reverse osmosis water filter - water,

Reverse osmosis water filter - water,

£107.82
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Aquati stage reverse - stage,

Aquati stage reverse - stage,

£177.95
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Waterdrop g3p600 reverse - waterdrop,

Waterdrop g3p600 reverse - waterdrop,

£372.00
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Reverse osmosis water filter - osmosis,

Reverse osmosis water filter - osmosis,

£125.49
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Waterdrop g2p600 reverse - waterdrop,

Waterdrop g2p600 reverse - waterdrop,

£182.53
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Reverse osmosis unit with - unit,

Reverse osmosis unit with - unit,

£164.99
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Waterdrop tankless - t3-c,

Waterdrop tankless - t3-c,

£189.99
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Stage reverse osmosis - reverse, pumped

Stage reverse osmosis - reverse, pumped

£175.00
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Waterdrop stage - g3, 8-stage

Waterdrop stage - g3, 8-stage

£243.78
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Reverse osmosis water filter - reverse,

Reverse osmosis water filter - reverse,

£153.75
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Aquamate stage reverse - aquamate, 6

Aquamate stage reverse - aquamate, 6

£161.00
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Pipe tube for ro - tube,

Pipe tube for ro - tube,

£99.00
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Reverse osmosis water filter - osmosis,

Reverse osmosis water filter - osmosis,

£107.95
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Waterdrop g3p800 reverse - g3p800,

Waterdrop g3p800 reverse - g3p800,

£478.67
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100gpd stage reverse - 50/75/100gpd, 4

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

£94.99
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Kflow countertop reverse - kflow,

Kflow countertop reverse - kflow,

£208.70
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Reverse osmosis system 5 - reverse,

Reverse osmosis system 5 - reverse,

£295.00
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Stage resin reverse - di,

Stage resin reverse - di,

£88.99
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Ro membrane 4040 - 4", x

Ro membrane 4040 - 4", x

£130.00
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Stage di resin - di,

Stage di resin - di,

£100.95
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Aquatru classic countertop - aquatru,

Aquatru classic countertop - aquatru,

£160.00
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Waterdrop m - waterdrop, t3-m

Waterdrop m - waterdrop, t3-m

£199.99
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Alkaline mineral waterdrop - [alkaline,

Alkaline mineral waterdrop - [alkaline,

£259.00
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Filterlogic 40 reverse - filterlogic, 4"

Filterlogic 40 reverse - filterlogic, 4"

£140.00
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Aquati stage premium - aquati,

Aquati stage premium - aquati,

£170.95
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Reverse osmosis unit - osmosis,

Reverse osmosis unit - osmosis,

£7.99
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Growmax water reverse osmosis - reverse,

Growmax water reverse osmosis - reverse,

£29.82
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Aquati pre filters reverse - aquati,

Aquati pre filters reverse - aquati,

£12.99
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Stage reverse osmosis water - 6,

Stage reverse osmosis water - 6,

£39.99
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Waterdrop countertop - waterdrop,

Waterdrop countertop - waterdrop,

£449.00
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Stage di reverse - ro,

Stage di reverse - ro,

£42.99
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Hot sale premium - hot,

Hot sale premium - hot,

£143.95
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Waterdrop reverse osmosis - waterdrop,

Waterdrop reverse osmosis - waterdrop,

£198.67
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The watery reverse - watery, osmosis

The watery reverse - watery, osmosis

£219.10
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Mineralized waterdrop wd a2g - waterdrop, wd-a2g

Mineralized waterdrop wd a2g - waterdrop, wd-a2g

£459.00
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Reverse osmosis ro unit - 10",

Reverse osmosis ro unit - 10",

£99.99
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Remineralisation water filter - remineralisation,

Remineralisation water filter - remineralisation,

£9.99
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Aquatru reverse osmosis - reverse, osmosis,

Aquatru reverse osmosis - reverse, osmosis,

£291.90
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Finerfilters stage compact - 4,

Finerfilters stage compact - 4,

£36.00
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Reverse osmosis water filter - reverse,

Reverse osmosis water filter - reverse,

£153.75
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Aquati stage di - aquati,

Aquati stage di - aquati,

£49.87
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Tankless reverse osmosis - tankless,

Tankless reverse osmosis - tankless,

£399.95
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Waterdrop stage - waterdrop, g3

Waterdrop stage - waterdrop, g3

£260.70
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Push quick fit connector - 1/4",

Push quick fit connector - 1/4",

£4.99
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Reverse osmosis water filter - reverse,

Reverse osmosis water filter - reverse,

£143.95
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Reverse osmosis water filter - reverse,

Reverse osmosis water filter - reverse,

£103.66
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Stage reverse osmosis - stage,

Stage reverse osmosis - stage,

£139.00
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Reverse osmosis membranes - reverse, ro

Reverse osmosis membranes - reverse, ro

£43.95
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600 gpd reverse osmosis - gpd,

600 gpd reverse osmosis - gpd,

£190.00
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Ecosoft reverse osmosis water - reverse,

Ecosoft reverse osmosis water - reverse,

£135.99
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Replacement water filters for - replacement,

Replacement water filters for - replacement,

£29.99
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Granulated gac carbon - gac,

Granulated gac carbon - gac,

£179.99
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Stage di resin - stage, &

Stage di resin - stage, &

£95.00
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Aquamate stage ultraviolet - aquamate,

Aquamate stage ultraviolet - aquamate,

£194.00
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Refillable inline filter - refillable,

Refillable inline filter - refillable,

£8.99
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100gpd stage compact - 50/75/100gpd,

100gpd stage compact - 50/75/100gpd,

£41.99
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Reverse osmosis tubing 4 - , 1/4"

Reverse osmosis tubing 4 - , 1/4"

£4.25
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White reverse osmosis - white, 1/4"

White reverse osmosis - white, 1/4"

£2.89
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Water filters for - filters, aquafilter

Water filters for - filters, aquafilter

£30.32
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Waterdrop alkaline ph - waterdrop,

Waterdrop alkaline ph - waterdrop,

£249.99
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Costway reverse osmosis - reverse,

Costway reverse osmosis - reverse,

£29.82
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Reverse osmosis unit - osmosis, ro

Reverse osmosis unit - osmosis, ro

£27.99
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Stage rodi aquarium - 4, reverse

Stage rodi aquarium - 4, reverse

£119.95
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Waterdrop water filter - waterdrop,

Waterdrop water filter - waterdrop,

£139.99
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Frizzlife pd600 tam3 600 gpd - pd600-tam3,

Frizzlife pd600 tam3 600 gpd - pd600-tam3,

£119.00
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Reverse osmosis vontron - reverse,

Reverse osmosis vontron - reverse,

£56.95
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Aquati stage di - aquati, ro

Aquati stage di - aquati, ro

£49.85
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Aquafilter replacement filters - aquafilter,

Aquafilter replacement filters - aquafilter,

£77.98
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Flow restrictor 4 - restrictor, 1/4"

Flow restrictor 4 - restrictor, 1/4"

£4.95
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Filterplus 300gpd reverse - filterplus,

Filterplus 300gpd reverse - filterplus,

£249.99
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Aquati stage reverse - aquati,

Aquati stage reverse - aquati,

£104.70
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Aquafilter reverse osmosis - reverse,

Aquafilter reverse osmosis - reverse,

£176.99
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Low pressure switch for - pressure,

Low pressure switch for - pressure,

£4.99
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L52 100 150gpd stage - 4,

L52 100 150gpd stage - 4,

£40.00
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Waterdrop a2g mineral - waterdrop,

Waterdrop a2g mineral - waterdrop,

£294.99
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Premium chrome faucet tap - chrome,

Premium chrome faucet tap - chrome,

£16.85
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Reverse osmosis unit - reverse,

Reverse osmosis unit - reverse,

£11.99
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Water filter mount bracket - filter,

Water filter mount bracket - filter,

£4.86
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400 gpd reverse osmosis - gpd,

400 gpd reverse osmosis - gpd,

£59.95
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Reverse osmosis water storage - reverse,

Reverse osmosis water storage - reverse,

£29.50
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Reverse osmosis filters with - reverse,

Reverse osmosis filters with - reverse,

£38.95
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Reverse osmosis unit - ro,

Reverse osmosis unit - ro,

£59.99
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Waterdrop g3p600 filter - waterdrop,

Waterdrop g3p600 filter - waterdrop,

£109.99
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Aquatru carafe countertop - aquatru,

Aquatru carafe countertop - aquatru,

£286.70
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Waterdrop countertop - waterdrop, a1

Waterdrop countertop - waterdrop, a1

£240.00
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Commercial 21 inch - commercial, 4"

Commercial 21 inch - commercial, 4"

£95.00
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Water filters for - water, aquafilter

Water filters for - water, aquafilter

£53.28
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Waterdrop reverse osmosis - reverse,

Waterdrop reverse osmosis - reverse,

£198.67
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Waterdrop reverse osmosis - ro,

Waterdrop reverse osmosis - ro,

£299.99
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📊96 listings · from £2.89 · avg £134.79
⚠️ These listings were last updated more than 13 days ago. Search for fresh listings

Browse 96 reverse osmosis listings currently in our index. Prices range from £2.89 to £478.67, with an average of £134.79. 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 reverse osmosis →

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Everything you need to know about reverse osmosis

Whether you are looking for a brand-new or second-hand reverse osmosis, 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 £2.89, while premium listings can reach £478.67 — giving you a wide budget spread to work with. The average price of £134.79 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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