Large koi filter
Large koi filter for sale on Ireland's largest auction and classifieds sites
Swell pond pressure - pressure, filter - £145.99
Swell pressure filter • Premium energy efficient • Lighting usable foams - Free postage - New and Used
Swell pressure filter • Premium energy efficient • Lighting usable foams - Free postage - New and Used
Koi pond large vortex filter - koi, - £234.70
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
Swell pressure filter - swell, uk - £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
Evolution aqua varipump large - aqua, - £279.95
Evolution aqua varipump • Simple use button • Allows you adjust - Free postage - New and Used
Evolution aqua varipump • Simple use button • Allows you adjust - Free postage - New and Used
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Jebao 16000 lph eco - eco, pond - £117.99
They are also • Perfect pump water • Through filtration system - Free postage - New and Used
They are also • Perfect pump water • Through filtration system - Free postage - New and Used
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48 listings · from £4.49 · avg £148.2
⚠️ These listings were last updated more than 25 days ago.
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Browse 48 large koi filter listings currently in our index. Prices range from £4.49 to £1302, with an average of £148.2. 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 large koi filter →
Hozelock aquaforce pond filter - aquaforce, - £194.99
Hozelock aquaforce pond • Pump casing also • Has carry handle - Free postage - New and Used
Hozelock aquaforce pond • Pump casing also • Has carry handle - Free postage - New and Used
Pond filter foam koi fish - foam, - £13.95
Everything aquarist pond • Keeper pet loverview • All products flat - Free postage - New and Used
Everything aquarist pond • Keeper pet loverview • All products flat - Free postage - New and Used
Hozelock aquaforce pond filter - aquaforce, - £208.95
Entire range includes • Wildlife protection system • Safeguard fish amphibians - Free postage - New and Used
Entire range includes • Wildlife protection system • Safeguard fish amphibians - Free postage - New and Used
50mm inline non return - 50mm, non-return - £25.49
Threaded retaining nut • Design allows hosetails • Removed quickly easily - Free postage - New and Used
Threaded retaining nut • Design allows hosetails • Removed quickly easily - Free postage - New and Used
Blagdon minipond midipond - minipond, - £187.90
Blagdon minipond midipond • Filters uvc clarifier • Extra large ponds - Free postage - New and Used
Blagdon minipond midipond • Filters uvc clarifier • Extra large ponds - Free postage - New and Used
Kockney koi filter media - kockney, bag - £30.44
Include drawstring - Free postage - New and Used
Include drawstring - Free postage - New and Used
Fish koi transport transit - koi, - £21.99
You are looking • 10x 400 gauge • Extra strong fish - Free postage - New and Used
You are looking • 10x 400 gauge • Extra strong fish - Free postage - New and Used
000 varipump high - l/h, - £252.98
Hsbao variable flow • Pump energy efficient • Range why buy - Free postage - New and Used
Hsbao variable flow • Pump energy efficient • Range why buy - Free postage - New and Used
Swell pond pump multi - swell, - £36.99
Swell multi pump • This cuts down • Running costs saving - Free postage - New and Used
Swell multi pump • This cuts down • Running costs saving - Free postage - New and Used
Hozelock aquaforce pond - aquaforce, - £257.99
Has hinged clog • Cage which easily • Opened maintenance this - Free postage - New and Used
Has hinged clog • Cage which easily • Opened maintenance this - Free postage - New and Used
Fish koi transport - fish, - £43.63
You are looking • 20x 400 gauge • Extra strong fish - Free postage - New and Used
You are looking • 20x 400 gauge • Extra strong fish - Free postage - New and Used
Fish,Koi,Transport,Transit,Bag - £11.54
You are looking • Extra strong fish • Transport bags free - Free postage - New and Used
You are looking • Extra strong fish • Transport bags free - Free postage - New and Used
Hozelock aquaforce submersible - aquaforce, - £204.95
Hozelock aquaforce filter • 6000 8000 12000 • 15000 also have - Free postage - New and Used
Hozelock aquaforce filter • 6000 8000 12000 • 15000 also have - Free postage - New and Used
Evolution aqua varipump high - evolution, - £424.95
Varipump 000 • Can installed out • Water includes hosetail - Free postage - New and Used
Varipump 000 • Can installed out • Water includes hosetail - Free postage - New and Used
Bakki shower trickle - 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
Swell pond pump 1500 - swell, - £85.99
Easy maintain they • Provide more consistent • Flow water filter - Free postage - New and Used
Easy maintain they • Provide more consistent • Flow water filter - Free postage - New and Used
Kockney koi pond filter media - koi, - £4.49
Pond plant basket • Labs aquarium stabiliser • Hessian needed finofil - Free postage - New and Used
Pond plant basket • Labs aquarium stabiliser • Hessian needed finofil - Free postage - New and Used
Hozelock aquaforce pond filter - aquaforce, - £205.99
Best results pump • Should positioned deepest • Part pond least - Free postage - New and Used
Best results pump • Should positioned deepest • Part pond least - Free postage - New and Used
Large rectangle strainer cage - large, - £29.99
Aqua sure rectangle • Strainer cage protect • Your pond filtration - Free postage - New and Used
Aqua sure rectangle • Strainer cage protect • Your pond filtration - Free postage - New and Used
Fish koi transport - fish, - £13.64
You are looking • 400 gauge extra • Strong fish transport - Free postage - New and Used
You are looking • 400 gauge extra • Strong fish transport - Free postage - New and Used
Large inch 110mm koi - inch, - £49.99
Keep your koi • Pond filtration system • Protected these high - Free postage - New and Used
Keep your koi • Pond filtration system • Protected these high - Free postage - New and Used
Superfish pond waterfall - superfish, - £89.99
Waterfall filters superfish • Create simple waterfalls • Around your garden - Free postage - New and Used
Waterfall filters superfish • Create simple waterfalls • Around your garden - Free postage - New and Used
Pond filter foam koi fish - pond, - £9.95
Everything aquarist pond • Keeper pet loverview • All products flat - Free postage - New and Used
Everything aquarist pond • Keeper pet loverview • All products flat - Free postage - New and Used
Chlorella green water - 2l, - £9.29
Highly nutritious natural • Food source aquatic • Filter feeders commonly - Free postage - New and Used
Highly nutritious natural • Food source aquatic • Filter feeders commonly - Free postage - New and Used
Superfish waterfall filter - superfish, - £89.99
Waterfall plant filter • Design stack multiple • Units create beautiful - Free postage - New and Used
Waterfall plant filter • Design stack multiple • Units create beautiful - Free postage - New and Used
Sunsun cpf fish - fish, pond - £241.48
Sunsun cpf fish • Pond filter water • Circulation system koi - Free postage - New and Used
Sunsun cpf fish • Pond filter water • Circulation system koi - Free postage - New and Used
Aquarium filter sterilizer - aquarium, uv - £149.59
Aquarium filter sterilizer • 660gph whether you • Have koi cichlids - Free postage - New and Used
Aquarium filter sterilizer • 660gph whether you • Have koi cichlids - Free postage - New and Used
Kockney koi yamitsu - kockney, - £42.95
Japanese koi have • Pond related products • Additives ultra violet - Free postage - New and Used
Japanese koi have • Pond related products • Additives ultra violet - Free postage - New and Used
Evolution aqua varipump high - evolution, - £209.95
Available three sizes • Varipump powerful enough • Run largest ponds - Free postage - New and Used
Available three sizes • Varipump powerful enough • Run largest ponds - Free postage - New and Used
Pondxpert filtobox 6000 pond - pondxpert, - £129.99
Pondxpert filtobox 6000 • Pond gravity watt • Litres last genuine - Free postage - New and Used
Pondxpert filtobox 6000 • Pond gravity watt • Litres last genuine - Free postage - New and Used
Kockney koi pond - pond, aquarium - £10.99
Japanese koi have • Pond related products • Additives ultra violet - Free postage - New and Used
Japanese koi have • Pond related products • Additives ultra violet - Free postage - New and Used
Tap pond filter boost balls - pond, - £18.99
Supporting filter natural • Processes they help • Maintain cleaner water - Free postage - New and Used
Supporting filter natural • Processes they help • Maintain cleaner water - Free postage - New and Used
Bsp female thread - bsp, - £16.99
Our fitting has • Been enable user • Detach hosetail from - Free postage - New and Used
Our fitting has • Been enable user • Detach hosetail from - Free postage - New and Used
Pennington aquagarden pond - pennington, in - £55.75
Pennington aquagarden pond • Fountain 850 gallon - Free postage - New and Used
Pennington aquagarden pond • Fountain 850 gallon - Free postage - New and Used
Evolution aqua varipump - varipump, high - £414.95
Evolution aqua varipump • Detailed manual supplied • Showing set options - Free postage - New and Used
Evolution aqua varipump • Detailed manual supplied • Showing set options - Free postage - New and Used
50mm inline non return valve - inline, non-return - £19.49
New bought project • But plan change • Need anymore bland - Free postage - New and Used
New bought project • But plan change • Need anymore bland - Free postage - New and Used
Fish,Koi,Transport,Transit,Bag - £18.43
You are looking • 10x extra strong • Fish transport bags - Free postage - New and Used
You are looking • 10x extra strong • Fish transport bags - Free postage - New and Used
Large sump bottom drain - drain, 4" - £25.04
Large sump bottom • Drain installation lowest • Point pond must - Free postage - New and Used
Large sump bottom • Drain installation lowest • Point pond must - Free postage - New and Used
Evolution aqua varipump high - evolution, - £410.00
Available three sizes • 000lph varipump powerful • Enough run largest - Free postage - New and Used
Available three sizes • 000lph varipump powerful • Enough run largest - Free postage - New and Used
Draco drum large bio - bio, unit - £1302.00
Operation draco drum • Bio unit one • Capable filtering ponds - Free postage - New and Used
Operation draco drum • Bio unit one • Capable filtering ponds - Free postage - New and Used
Varipump high output - pump, for - £214.48
Why choose pond • Pump excellent choice • Builds flexible layouts - Free postage - New and Used
Why choose pond • Pump excellent choice • Builds flexible layouts - Free postage - New and Used
Hozelock aquaforce 6000 garden - aquaforce, - £222.59
Wildlife protection system • Fish newts frogs • From accessing pump - Free postage - New and Used
Wildlife protection system • Fish newts frogs • From accessing pump - Free postage - New and Used
Cloverleaf absolute bio - cloverleaf, 1l - £21.99
Cloverleaf absolute bio • Gel comprises millions • Live bacteria especially - Free postage - New and Used
Cloverleaf absolute bio • Gel comprises millions • Live bacteria especially - Free postage - New and Used
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Everything you need to know about large koi filter
Whether you are looking for a brand-new or second-hand large koi 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 £4.49, while premium listings can reach £1302 — giving you a wide budget spread to work with. The average price of £148.2 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.