Water filtration system
Water filtration system for sale on Ireland's largest auction and classifieds sites
Undersink water filter - filter, system - £59.99
Crafted durability efficiency • Mind our undersink • Drinking water filter - Free postage - New and Used
Crafted durability efficiency • Mind our undersink • Drinking water filter - Free postage - New and Used
Water filtration system - filtration, - £299.00
Grade 304 stainless • Steel construction zero • Lead leaching into - Free postage - New and Used
Grade 304 stainless • Steel construction zero • Lead leaching into - Free postage - New and Used
Ispring wgb21b stage whole - ispring, 2-stage - £55.00
Suitable installation main • Water line filters • Entire property bathroom - Free postage - New and Used
Suitable installation main • Water line filters • Entire property bathroom - Free postage - New and Used
Waterdrop stage - waterdrop, g3 - £229.00
Trusted certification waterdrop • Reverse osmosis system • Has nsf 372 - Free postage - New and Used
Trusted certification waterdrop • Reverse osmosis system • Has nsf 372 - Free postage - New and Used
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Itehil portable water - portable, ro - £156.70
Ideal camper conversion • Addition perfect off • Grid setup - Free postage - New and Used
Ideal camper conversion • Addition perfect off • Grid setup - Free postage - New and Used
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48 listings · from £7.64 · avg £125.99
⚠️ These listings were last updated more than 17 days ago.
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Browse 48 water filtration system listings currently in our index. Prices range from £7.64 to £895, with an average of £125.99. 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 water filtration system →
Waterdrop tsa under - under, water - £155.99
Precision engineering zero • Leaks cracks this • Under sink water - Free postage - New and Used
Precision engineering zero • Leaks cracks this • Under sink water - Free postage - New and Used
Vortopt stainless faucet tap - vortopt, - £13.92
Water flow • Various application our • Purifier ideal choice - Free postage - New and Used
Water flow • Various application our • Purifier ideal choice - Free postage - New and Used
Waterdrop 10ub under - waterdrop, - £42.30
Waterdrop 10ub version • Comes tap under • Sink water filtration - Free postage - New and Used
Waterdrop 10ub version • Comes tap under • Sink water filtration - Free postage - New and Used
Faucet tap water - tap, filter - £25.91
High efficiency filtration • System can effectively • Reduce chlorine other - Free postage - New and Used
High efficiency filtration • System can effectively • Reduce chlorine other - Free postage - New and Used
Bmb 1000 hydra whole house - hydra, - £291.19
Filter system utilises • Its filters processes • Remove reduce thousands - Free postage - New and Used
Filter system utilises • Its filters processes • Remove reduce thousands - Free postage - New and Used
Althy stainless faucet tap - althy, - £43.20
Althy water healthy • Life all products • Official one year - Free postage - New and Used
Althy water healthy • Life all products • Official one year - Free postage - New and Used
Bwt aquameter for water - for, - £50.00
Slightly dirty from • Storage packaging instructions - Free postage - New and Used
Slightly dirty from • Storage packaging instructions - Free postage - New and Used
Sawyer products sp129 squeeze - sawyer, - £56.99
- Free postage - New and Used
- Free postage - New and Used
Waterdrop tsu 01μm - waterdrop, 0.01μm - £189.99
Thus achieves excellent • Filtration performance - Free postage - New and Used
Thus achieves excellent • Filtration performance - Free postage - New and Used
Waterdrop reverse osmosis - reverse, - £299.99
Provides steady flow • Suitable drinking preparing • Food well suited - Free postage - New and Used
Provides steady flow • Suitable drinking preparing • Food well suited - Free postage - New and Used
Under sink drinking water - £78.70
Under sink mains • Cold water filter • Fit easy change - Free postage - New and Used
Under sink mains • Cold water filter • Fit easy change - Free postage - New and Used
Ontulor premium faucet tap - ontulor, - £10.95
Wide compatibility compatible • Most standard faucets • Find right adapter - Free postage - New and Used
Wide compatibility compatible • Most standard faucets • Find right adapter - Free postage - New and Used
1 2 cold - 3/4", water - £21.90
Bsp brass inlet • Outlet suitable biodiesel • Vegetable oil filtration - Free postage - New and Used
Bsp brass inlet • Outlet suitable biodiesel • Vegetable oil filtration - Free postage - New and Used
Sawyer mini water filtration - mini, - £39.83
How that versatility • Original sawyer filter • Set 16oz pouch - Free postage - New and Used
How that versatility • Original sawyer filter • Set 16oz pouch - Free postage - New and Used
Tankless reverse osmosis - tankless, - £399.95
Your finerfilters tankless • Reverse osmosis drinking • Water system produces - Free postage - New and Used
Your finerfilters tankless • Reverse osmosis drinking • Water system produces - Free postage - New and Used
Platypus quickdraw filter - quickdraw, - £53.99
Dirty reservoir light • Compact built withstand • Rugged demands months - Free postage - New and Used
Dirty reservoir light • Compact built withstand • Rugged demands months - Free postage - New and Used
Sawyer sp129 point one - sp129, - £53.94
Sawyer sp129 squeeze • Filter only beaten • Mini most versatile - Free postage - New and Used
Sawyer sp129 squeeze • Filter only beaten • Mini most versatile - Free postage - New and Used
Waterdrop tsa under sink - under, - £132.99
While does not • Reduce tds retains • Beneficial minerals support - Free postage - New and Used
While does not • Reduce tds retains • Beneficial minerals support - Free postage - New and Used
Monarch scaleout sc2 whole - scaleout, - £239.99
Combat hard water • While improving overall • Clarity taste sc2 - Free postage - New and Used
Combat hard water • While improving overall • Clarity taste sc2 - Free postage - New and Used
Stages whole house water - stages, - £125.89
Extends plumbing system • Appliance lifespan hard • Water tds 300 - Free postage - New and Used
Extends plumbing system • Appliance lifespan hard • Water tds 300 - Free postage - New and Used
Santevia glass water - glass, - £204.99
Tested nsf standards • 401 water quality - Free postage - New and Used
Tested nsf standards • 401 water quality - Free postage - New and Used
Homfish stainless faucet tap - homfish, - £28.47
Stainless steel faucet • Water filter upgrade • Your kitchen tap - Free postage - New and Used
Stainless steel faucet • Water filter upgrade • Your kitchen tap - Free postage - New and Used
4000l water purification - 4000l, - £11.81
- Free postage - New and Used
- Free postage - New and Used
Under sink water filter - sink, - £92.21
Forease use longevity • This system provides • To80 000 litres - Free postage - New and Used
Forease use longevity • This system provides • To80 000 litres - Free postage - New and Used
Ispring ro400 reverse - ispring, - £219.10
Tankless reverse osmosis • Systems flow 0.4 • Gpm minimal waste - Free postage - New and Used
Tankless reverse osmosis • Systems flow 0.4 • Gpm minimal waste - Free postage - New and Used
Homfish stainless faucet - stainless, - £34.99
This water filter • Before reaches your • Tap ensuring drop - Free postage - New and Used
This water filter • Before reaches your • Tap ensuring drop - Free postage - New and Used
Pure 100 purified water - v2, - £82.50
Pressure gauge manual • Flush valve optimal • Performance key features - Free postage - New and Used
Pressure gauge manual • Flush valve optimal • Performance key features - Free postage - New and Used
Survival water filter purifier - water, - £23.99
Converts rainwater lake • River water effectively • Quickly into drinking - Free postage - New and Used
Converts rainwater lake • River water effectively • Quickly into drinking - Free postage - New and Used
Frizzlife wb99 countertop - frizzlife, wb99-h - £260.70
Just plug fill • Water tank then • System will automatically - Free postage - New and Used
Just plug fill • Water tank then • System will automatically - Free postage - New and Used
Stage counter top drinking - stage, - £50.99
Make drinking water • Great tasting remove • Over chlorine standard - Free postage - New and Used
Make drinking water • Great tasting remove • Over chlorine standard - Free postage - New and Used
The puremaster lite reverse - the, - £895.00
Puremaster lite lower • Cost alternative our • Dry weight 15.9kg - Free postage - New and Used
Puremaster lite lower • Cost alternative our • Dry weight 15.9kg - Free postage - New and Used
Water2buy easy stage - ro, 5-stage - £179.99
This compact under • Sink system provides • High performance filtration - Free postage - New and Used
This compact under • Sink system provides • High performance filtration - Free postage - New and Used
Portable hand pump - portable, - £29.49
Portable hand pump • Water filtration system • Survival bushcraft gear - Free postage - New and Used
Portable hand pump • Water filtration system • Survival bushcraft gear - Free postage - New and Used
Drinking water filter under - filter, - £66.95
Drinking water filter • Under sink softening • System salt free - Free postage - New and Used
Drinking water filter • Under sink softening • System salt free - Free postage - New and Used
Ispring us31 classic - us31, - £106.99
20x more effective • Than common water • Pitcher dispenser flow - Free postage - New and Used
20x more effective • Than common water • Pitcher dispenser flow - Free postage - New and Used
Althy stainless faucet tap - stainless, - £35.25
Althy faucet water • Filter reduces harmful • Llutants while retains - Free postage - New and Used
Althy faucet water • Filter reduces harmful • Llutants while retains - Free postage - New and Used
Double filter housing set - double, - £58.99
Utilization two rings • Ensures maximum leak • Proof performance easy - Free postage - New and Used
Utilization two rings • Ensures maximum leak • Proof performance easy - Free postage - New and Used
Filterplus 600gpd reverse - filterplus, - £249.99
Produces litres pure • Water per hour • Inlet waste connections - Free postage - New and Used
Produces litres pure • Water per hour • Inlet waste connections - Free postage - New and Used
Aquati stage rodi reverse - 5, - £89.95
Filtered water clear • Soft free contamination • Due fact that - Free postage - New and Used
Filtered water clear • Soft free contamination • Due fact that - Free postage - New and Used
Layer filter tap water - 8-layer, - £7.64
Judge whether faucet • Suitable weeks wipe • Sandpaper not use - Free postage - New and Used
Judge whether faucet • Suitable weeks wipe • Sandpaper not use - Free postage - New and Used
Sawyer sp107 mini water - -, - £37.95
Sawyer sp107 mini • Water filtration system • Camo just 65grams - Free postage - New and Used
Sawyer sp107 mini • Water filtration system • Camo just 65grams - Free postage - New and Used
Waterdrop 10ua 01 - 10ua-uf, μm - £79.99
Tested third party • Laboratory compliance nsf • Ansi standard capable - Free postage - New and Used
Tested third party • Laboratory compliance nsf • Ansi standard capable - Free postage - New and Used
Waterdrop 15ub under sink - wd-15ub, - £72.46
Waterdrop 15ub under • Sink water filtration • System accessory kit - Free postage - New and Used
Waterdrop 15ub under • Sink water filtration • System accessory kit - Free postage - New and Used
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Everything you need to know about water filtration system
Whether you are looking for a brand-new or second-hand water filtration system, eBay offers one of the largest selections available online. With 48 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 £7.64, while premium listings can reach £895 — giving you a wide budget spread to work with. The average price of £125.99 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.