Koi pond filter
Koi pond filter for sale on Ireland's largest auction and classifieds sites
Pressurised koi pond filter - koi, uv - £549.99
Our range pressurised • Pond filters built • Clarifiers are continuously - Free postage - New and Used
Our range pressurised • Pond filters built • Clarifiers are continuously - Free postage - New and Used
Japanese matting jap - mat, pond - £16.99
These sheets can • Easily cut down • Fit most models - Free postage - New and Used
These sheets can • Easily cut down • Fit most models - Free postage - New and Used
Auto cleaning pressurised koi - cleaning, - £349.99
Lastly exiting water • Steriliser capable reducing • Harmful bacteria algae - Free postage - New and Used
Lastly exiting water • Steriliser capable reducing • Harmful bacteria algae - Free postage - New and Used
Jebao pond filter pf10e koi - jebao, - £79.95
Jebao pressurised pond • Filter built watt • Ultra violet clarifier - Free postage - New and Used
Jebao pressurised pond • Filter built watt • Ultra violet clarifier - Free postage - New and Used
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Pond aquarium uv light - aquarium, - £129.99
Allpondsolutions light steriliser • Range have unique • Design which feeds - Free postage - New and Used
Allpondsolutions light steriliser • Range have unique • Design which feeds - Free postage - New and Used
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48 listings · from £7.95 · avg £178.1
Browse 48 koi pond filter listings currently in our index. Prices range from £7.95 to £699.95, with an average of £178.1. 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 koi pond filter →
Blagdon inpond 6000 uv - 5, in - £113.02
This item brand • New never used • Bought upgrade own - Free postage - New and Used
This item brand • New never used • Bought upgrade own - Free postage - New and Used
Pond one claritec - one, 10000uv - £139.99
Claritec 10000 uvc • Pond filter remote • Ballast easy installation - Free postage - New and Used
Claritec 10000 uvc • Pond filter remote • Ballast easy installation - Free postage - New and Used
Complete koi fish box filter - fish, - £439.99
Bay filter system • Kit includes pump • Steriliser hose cbf - Free postage - New and Used
Bay filter system • Kit includes pump • Steriliser hose cbf - Free postage - New and Used
Kockney koi black - kockney, filter - £60.99
Their fuss design • Makes installation simple • They have been - Free postage - New and Used
Their fuss design • Makes installation simple • They have been - Free postage - New and Used
Aquarium pond filter - filter, wool - £79.99
Finest filters are • Leading supplier high • Quality 100 aquarium - Free postage - New and Used
Finest filters are • Leading supplier high • Quality 100 aquarium - Free postage - New and Used
Jebao pond clarifier ultra - jebao, - £124.95
Ultra violet light • Algae causing green • Water are made - Free postage - New and Used
Ultra violet light • Algae causing green • Water are made - Free postage - New and Used
Allpondsolutions 6000l koi - allpondsolutions, - £89.99
This single bay • Filter system has • Two blue coarse - Free postage - New and Used
This single bay • Filter system has • Two blue coarse - Free postage - New and Used
Pressurised koi pond filter - pressurised, uv - £369.99
Allpondsolutions range pressurised • Pond filters built • Clarifiers are continuously - Free postage - New and Used
Allpondsolutions range pressurised • Pond filters built • Clarifiers are continuously - Free postage - New and Used
Swell pond filter - swell, kit - £138.99
Pond filter will • Water produce clear • Creating healthy wildlife - Free postage - New and Used
Pond filter will • Water produce clear • Creating healthy wildlife - Free postage - New and Used
Blow air pump - hi, - £189.75
Ltr super low • Power consumption watts • At38 dba 120 - Free postage - New and Used
Ltr super low • Power consumption watts • At38 dba 120 - Free postage - New and Used
Swell pressure filter - swell, - £132.99
Swell pressure filter • Deluxe clarifier premium • Outdoor pond filtration - Free postage - New and Used
Swell pressure filter • Deluxe clarifier premium • Outdoor pond filtration - Free postage - New and Used
Allpondsolutions auto cleaning - allpondsolutions, - £249.99
Our range automatic • Pfc pressurised pond • Filters built clarifiers - Free postage - New and Used
Our range automatic • Pfc pressurised pond • Filters built clarifiers - Free postage - New and Used
Koi pond filter media plastic - pond, - £599.99
Protect perfect your • Pond tank aquarium • Aqua sure premium - Free postage - New and Used
Protect perfect your • Pond tank aquarium • Aqua sure premium - Free postage - New and Used
Aqua eco pond - pump, wattage - £139.99
Placed straight into • Your pond aquaeco • Will simply draw - Free postage - New and Used
Placed straight into • Your pond aquaeco • Will simply draw - Free postage - New and Used
Pond filter brushes garden - pond, - £22.99
These filters brushes • Are very effective • Trapping debris without - Free postage - New and Used
These filters brushes • Are very effective • Trapping debris without - Free postage - New and Used
Set kockney koi - koi, foam - £9.99
Grade filter foam • Aquarium pond sponge • Can cut needed - Free postage - New and Used
Grade filter foam • Aquarium pond sponge • Can cut needed - Free postage - New and Used
Pond filter media - pond, fine - £7.95
Filter foam wadding • Thickness increased performance • 2.75 thick option - Free postage - New and Used
Filter foam wadding • Thickness increased performance • 2.75 thick option - Free postage - New and Used
Pond dechlorinator water - pond, - £23.00
Pond water • Essential maintaining healthy • Fish beneficial bacteria - Free postage - New and Used
Pond water • Essential maintaining healthy • Fish beneficial bacteria - Free postage - New and Used
Cbf range pond - cbf, foams - £8.49
Yellow fine grade • Foam blue coarse - Free postage - New and Used
Yellow fine grade • Foam blue coarse - Free postage - New and Used
Stage hma high flow - 3, water - £56.04
Koi pond dechlorinator • Chlorine removal aquafilter • Chlorinators are used - Free postage - New and Used
Koi pond dechlorinator • Chlorine removal aquafilter • Chlorinators are used - Free postage - New and Used
Oase biosmart koi pond - koi, filter - £199.49
Oase biosmart sets • Kit comprises ideally • Filtration pump sludge - Free postage - New and Used
Oase biosmart sets • Kit comprises ideally • Filtration pump sludge - Free postage - New and Used
Pond moving bed filter media - moving, - £7.99
This process which • Removes harmful ammonia • Nitrite from water - Free postage - New and Used
This process which • Removes harmful ammonia • Nitrite from water - Free postage - New and Used
Oase pontec multiclear - oase, - £124.49
Pontec multiclear set • 8000 watt uvc • Clarifier top box - Free postage - New and Used
Pontec multiclear set • 8000 watt uvc • Clarifier top box - Free postage - New and Used
Evolution aqua eazypod - evolution, green - £499.95
Eazypod filter tidy • Compact very footprint • Workswater from pond - Free postage - New and Used
Eazypod filter tidy • Compact very footprint • Workswater from pond - Free postage - New and Used
Koi pond large vortex filter - koi, - £175.00
Genuine valterra slide • Gate valves koi • Fish pond filter - Free postage - New and Used
Genuine valterra slide • Gate valves koi • Fish pond filter - Free postage - New and Used
Aquati year replacement koi - aquati, - £29.95
Fits standard filter • Housings - Free postage - New and Used
Fits standard filter • Housings - Free postage - New and Used
Lotus green genie - uv, filter - £347.99
Lotus green genie • Pond filter box • Ultimate solution maintaining - Free postage - New and Used
Lotus green genie • Pond filter box • Ultimate solution maintaining - Free postage - New and Used
Pressurised pond filter - pressurised, - £7.99
Yellow fine grade • Foam - Free postage - New and Used
Yellow fine grade • Foam - Free postage - New and Used
Filter pump jebao - jebao/, friend - £77.99
Everything aquarist pond • Keeper pet loverview • All products bermuda - Free postage - New and Used
Everything aquarist pond • Keeper pet loverview • All products bermuda - Free postage - New and Used
Bakki shower trickle sieve - bakki, shower/trickle/sieve - £170.21
Handmade pre production • Sieve shower features • 1.5 inlet multi - Free postage - New and Used
Handmade pre production • Sieve shower features • 1.5 inlet multi - Free postage - New and Used
Auto cleaning pressurised - cleaning, - £199.99
Allpondsolutions range automatic • Pfc pressurised pond • Filters built clarifiers - Free postage - New and Used
Allpondsolutions range automatic • Pfc pressurised pond • Filters built clarifiers - Free postage - New and Used
Pumice stone 10kg 25kg - stone, 10kg, - £72.27
Available 10kg 25kg • Sacks high surface • Area 30mm 50mm - Free postage - New and Used
Available 10kg 25kg • Sacks high surface • Area 30mm 50mm - Free postage - New and Used
Evolution aqua eazy pod - evolution, - £699.95
Eazy pod air • Complete has quick • Cleaning cycle supplied - Free postage - New and Used
Eazy pod air • Complete has quick • Cleaning cycle supplied - Free postage - New and Used
Aps koi fish pond triple - triple, box - £274.99
Filter foams • After matting water • Will flow through - Free postage - New and Used
Filter foams • After matting water • Will flow through - Free postage - New and Used
Koi pond dual - pond, box - £179.99
After matting water • Will flow through • Filter foams provided - Free postage - New and Used
After matting water • Will flow through • Filter foams provided - Free postage - New and Used
Allpondsolutions 12000l koi - allpondsolutions, - £179.99
Waste pipe per • Box easy draining • Water level indicator - Free postage - New and Used
Waste pipe per • Box easy draining • Water level indicator - Free postage - New and Used
Oase biosmart pond filter sets - oase, - £199.49
Oase biosmart filter • Are suitable range • Ponds from 7000 - Free postage - New and Used
Oase biosmart filter • Are suitable range • Ponds from 7000 - Free postage - New and Used
Fish mate pbio 15000l - fish, - £105.45
Keeping your pond • 15000 pbio pressurised • Filter here keep - Free postage - New and Used
Keeping your pond • 15000 pbio pressurised • Filter here keep - Free postage - New and Used
Kockney koi pond filter mat - kockney, - £8.95
Pond filter mat • Wadding from kockney • Koi has been - Free postage - New and Used
Pond filter mat • Wadding from kockney • Koi has been - Free postage - New and Used
Oase pontec pondopress - oase, - £109.95
Pontec pondopress sets • Great value pressurised • Filter systems from - Free postage - New and Used
Pontec pondopress sets • Great value pressurised • Filter systems from - Free postage - New and Used
Pond pump - pond, filter - £429.99
Containseverything you need • Build garden pond • Fully staffed call - Free postage - New and Used
Containseverything you need • Build garden pond • Fully staffed call - Free postage - New and Used
Koi pond water filter for - koi, - £20.90
Pond water • Essential maintaining healthy • Fish beneficial bacteria - Free postage - New and Used
Pond water • Essential maintaining healthy • Fish beneficial bacteria - Free postage - New and Used
Evolution aqua tempest - evolution, - £299.95
Evolution aqua tempest • Pond filter water • Polisher introducing new - Free postage - New and Used
Evolution aqua tempest • Pond filter water • Polisher introducing new - Free postage - New and Used
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Everything you need to know about koi pond filter
Whether you are looking for a brand-new or second-hand koi pond filter, 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 £7.95, while premium listings can reach £699.95 — giving you a wide budget spread to work with. The average price of £178.1 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.