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Reverse osmosis

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Home / Air Filters / Reverse osmosis refurbished & used for sale | For Sale USA
100 gpd stage alkaline - 6,

100 gpd stage alkaline - 6,

$128.79
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Waterdrop reverse osmosis - d6,

Waterdrop reverse osmosis - d6,

$179.00
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Puretaste countertop reverse - countertop,

Puretaste countertop reverse - countertop,

$99.99
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Stage 100gpd alkaline - 100gpd,

Stage 100gpd alkaline - 100gpd,

$128.79
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Dreo water filter 113 - ro,

Dreo water filter 113 - ro,

$95.00
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Waterdrop g3p800 reverse - waterdrop,

Waterdrop g3p800 reverse - waterdrop,

$559.00
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Waterdrop reverse osmosis - waterdrop, g2

Waterdrop reverse osmosis - waterdrop, g2

$169.00
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Waterdrop g3p600 reverse - waterdrop,

Waterdrop g3p600 reverse - waterdrop,

$339.00
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Stage standard undersink - 5,

Stage standard undersink - 5,

$135.99
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Waterdrop m6sl mineral reverse - m6sl,

Waterdrop m6sl mineral reverse - m6sl,

$179.00
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Waterdrop g3p600 reverse - waterdrop,

Waterdrop g3p600 reverse - waterdrop,

$339.00
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Stage reverse osmosis - 6, ro

Stage reverse osmosis - 6, ro

$145.99
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Waterdrop g3p600 reverse - waterdrop,

Waterdrop g3p600 reverse - waterdrop,

$365.00
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Stage kitchen home drinking - 5,

Stage kitchen home drinking - 5,

$153.95
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Waterdrop m6h instant hot - waterdrop,

Waterdrop m6h instant hot - waterdrop,

$229.00
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Aquatru at2010 classic - at2010,

Aquatru at2010 classic - at2010,

$159.00
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Stage undersink reverse - undersink,

Stage undersink reverse - undersink,

$118.67
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Waterdrop g2p600 reverse - waterdrop,

Waterdrop g2p600 reverse - waterdrop,

$199.00
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Waterdrop a2g mineral - a2g,

Waterdrop a2g mineral - a2g,

$299.00
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Stage advanced reverse - stage,

Stage advanced reverse - stage,

$142.99
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Dreo countertop stage - countertop, 7-stage

Dreo countertop stage - countertop, 7-stage

$169.99
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Waterdrop g3p800 tankless - g3p800,

Waterdrop g3p800 tankless - g3p800,

$649.88
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Waterdrop m6cg cold - m6cg, hot

Waterdrop m6cg cold - m6cg, hot

$299.00
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Waterdrop x12 alkaline - alkaline, mineral

Waterdrop x12 alkaline - alkaline, mineral

$759.00
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Geekpure stage reverse - 5,

Geekpure stage reverse - 5,

$159.99
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Waterdrop countertop - wd-a2,

Waterdrop countertop - wd-a2,

$289.00
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Aquatru carafe countertop - aquatru,

Aquatru carafe countertop - aquatru,

$197.99
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Waterdrop c2sl mineral reverse - mineral,

Waterdrop c2sl mineral reverse - mineral,

$199.99
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Vonwater ct910countertop - vonwater,

Vonwater ct910countertop - vonwater,

$170.00
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Waterdrop k19 sfk reverse - waterdrop, k19-sfk

Waterdrop k19 sfk reverse - waterdrop, k19-sfk

$199.00
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Dual flow waterdrop - ],

Dual flow waterdrop - ],

$259.99
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Rc100 brondell circle reverse - rc100,

Rc100 brondell circle reverse - rc100,

$149.00
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Waterdrop countertop - n1,

Waterdrop countertop - n1,

$219.00
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Aquatru carafe countertop - aquatru,

Aquatru carafe countertop - aquatru,

$197.99
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Waterdrop basic reverse - waterdrop, x8-basic

Waterdrop basic reverse - waterdrop, x8-basic

$419.00
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Stage reverse osmosis - stage,

Stage reverse osmosis - stage,

$29.82
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Waterdrop x12 alkaline mineral - waterdrop, x12-alkaline

Waterdrop x12 alkaline mineral - waterdrop, x12-alkaline

$759.00
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Dual flow waterdrop t4 a - [dual, flow]

Dual flow waterdrop t4 a - [dual, flow]

$199.99
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Simpure 400gpd stage - 400gpd, 8-stage

Simpure 400gpd stage - 400gpd, 8-stage

$55.99
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Stage simpure wp1 countertop - simpure,

Stage simpure wp1 countertop - simpure,

$25.99
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Waterdrop 220 gpd - 220,

Waterdrop 220 gpd - 220,

$109.99
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Stage drinking reverse - 5,

Stage drinking reverse - 5,

$116.95
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Waterdrop g3p600 reverse - waterdrop,

Waterdrop g3p600 reverse - waterdrop,

$339.00
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Stage 50 75 - 3/4/5/6, 50/75/100/150g

Stage 50 75 - 3/4/5/6, 50/75/100/150g

$35.63
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Pack 100 150gpd - 2, 50/75/100/150gpd

Pack 100 150gpd - 2, 50/75/100/150gpd

$29.69
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Waterdrop g5p500a alkaline - g5p500a,

Waterdrop g5p500a alkaline - g5p500a,

$179.99
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Geekpure stage reverse - 6,

Geekpure stage reverse - 6,

$165.99
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Waterdrop g5p700a alkaline - g5p700a,

Waterdrop g5p700a alkaline - g5p700a,

$249.99
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Under sink stage premium - under,

Under sink stage premium - under,

$109.95
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Dual flow waterdrop - dual,

Dual flow waterdrop - dual,

$269.99
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Koviet pro reverse osmosis - koviet,

Koviet pro reverse osmosis - koviet,

$125.00
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Stage drinking water - t1,

Stage drinking water - t1,

$119.59
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Stage alkaline reverse - 6,

Stage alkaline reverse - 6,

$136.99
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New reverse osmosis - 【99%, new】reverse

New reverse osmosis - 【99%, new】reverse

$149.99
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Waterdrop m - waterdrop, wd-t3-m

Waterdrop m - waterdrop, wd-t3-m

$169.99
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Waterdrop g5p700 reverse - waterdrop,

Waterdrop g5p700 reverse - waterdrop,

$239.99
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Stage reverse osmosis water - 5,

Stage reverse osmosis water - 5,

$43.55
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Stage drinking reverse - drinking,

Stage drinking reverse - drinking,

$129.99
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New aquatru at100 - aquatru, carafe

New aquatru at100 - aquatru, carafe

$270.00
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Simpure stage reverse - 6,

Simpure stage reverse - 6,

$129.19
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Waterdrop kj600 reverse - waterdrop,

Waterdrop kj600 reverse - waterdrop,

$369.00
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Waterdrop g3p800 reverse - waterdrop,

Waterdrop g3p800 reverse - waterdrop,

$669.00
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Waterdrop g3p800 reverse - g3p800,

Waterdrop g3p800 reverse - g3p800,

$559.00
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Dreo reverse osmosis - dreo,

Dreo reverse osmosis - dreo,

$194.00
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Geekpure stage under sink - geekpure,

Geekpure stage under sink - geekpure,

$139.99
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Stage reverse osmosis - 5,

Stage reverse osmosis - 5,

$28.99
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Atmospheric water generator - atmospheric, 8

Atmospheric water generator - atmospheric, 8

$105.00
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Waterdrop x16 alkaline - waterdrop, reverse

Waterdrop x16 alkaline - waterdrop, reverse

$1099.00
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Pack 100 gpd ro - pack,

Pack 100 gpd ro - pack,

$72.92
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Suiysuim 800 gpd stage - suiysuim, 6-stage

Suiysuim 800 gpd stage - suiysuim, 6-stage

$75.00
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Waterdrop x16 alkaline - waterdrop, x16-alkaline

Waterdrop x16 alkaline - waterdrop, x16-alkaline

$1099.00
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Used 800gpd water - water, filter

Used 800gpd water - water, filter

$241.99
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New sealed oasis osmosis - sealed,

New sealed oasis osmosis - sealed,

$149.00
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Stage 100 150 - 6-stage, gpd

Stage 100 150 - 6-stage, gpd

$39.59
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Water filter reverse - filter,

Water filter reverse - filter,

$239.00
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Dual flow waterdrop - [,

Dual flow waterdrop - [,

$839.00
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Stage reverse osmosis water - osmosis,

Stage reverse osmosis water - osmosis,

$119.59
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Pure blue h2o - h2o, filter

Pure blue h2o - h2o, filter

$478.93
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Stage 100 gpd reverse - gpd,

Stage 100 gpd reverse - gpd,

$129.19
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Waterdrop c reverse - waterdrop, wd-t3-c

Waterdrop c reverse - waterdrop, wd-t3-c

$159.99
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Apec rotl aio tankless - rotl-aio-a,

Apec rotl aio tankless - rotl-aio-a,

$179.99
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Brondell reverse osmosis - brondell,

Brondell reverse osmosis - brondell,

$239.99
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Apec water systems roes ph75 - water,

Apec water systems roes ph75 - water,

$169.90
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Waterdrop x12 alkaline mineral - x12,

Waterdrop x12 alkaline mineral - x12,

$759.00
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New tankless reverse - 【99%,

New tankless reverse - 【99%,

$229.99
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Bluevua countertop reverse - bluevua,

Bluevua countertop reverse - bluevua,

$150.00
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Bestwater reverse osmosis - reverse,

Bestwater reverse osmosis - reverse,

$195.00
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Mist reverse osmosis - mist-,

Mist reverse osmosis - mist-,

$129.99
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Undercounter reverse osmosis - reverse,

Undercounter reverse osmosis - reverse,

$155.00
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Reverse osmosis water - osmosis,

Reverse osmosis water - osmosis,

$25.99
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Wp2 400 gpd - wp2-400,

Wp2 400 gpd - wp2-400,

$299.99
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Culligan aquasential tankless - culligan,

Culligan aquasential tankless - culligan,

$200.00
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Geekpure stage reverse - geekpure,

Geekpure stage reverse - geekpure,

$154.99
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Reverse osmosis module - osmosis, module/filter

Reverse osmosis module - osmosis, module/filter

$175.00
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Philips reverse osmosis water - philips,

Philips reverse osmosis water - philips,

$298.50
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Stage under sink reverse - sink,

Stage under sink reverse - sink,

$449.99
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📊96 listings · from $25.99 · avg $242.88
⚠️ These listings were last updated more than 17 days ago. Search for fresh listings

Browse 96 reverse osmosis listings currently in our index. Prices range from $25.99 to $1099, with an average of $242.88. 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 →

Try this: ro di system | retractable extension cord | suzuki hayabusa motorcycle | water ionizer | air purifier filter | blueair air purifier filter | frigidaire commercial fridge | kangen | yamaha big bear scrambler | yamaha jt2

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< $25 $25 – $50 $50 – $100 $100 – $200 $200 – $500 > $500

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 $25.99, while premium listings can reach $1099 — giving you a wide budget spread to work with. The average price of $242.88 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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