Koi filter foam
Koi filter foam for sale on Ireland's largest auction and classifieds sites
Filter floss wool foam - foam, media - £6.95
Aquarium pond filter • Wool works basis • Electrostatic attraction debris - Free postage - New and Used
Aquarium pond filter • Wool works basis • Electrostatic attraction debris - 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
Oase filtoclear 16000 - filtoclear, - £34.99
Foams included this • Set consists coarse • Fine foam filter - Free postage - New and Used
Foams included this • Set consists coarse • Fine foam filter - Free postage - New and Used
Cloverleaf cl1 cl2 cl3 - cl2, or - £11.99
Cl1 foam set • Cl3 - Free postage - New and Used
Cl1 foam set • Cl3 - Free postage - New and Used
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Pond filter media - filter, - £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
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48 listings · from £3.99 · avg £22.44
⚠️ These listings were last updated more than 102 days ago.
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Browse 48 koi filter foam listings currently in our index. Prices range from £3.99 to £96.99, with an average of £22.44. 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 filter foam →
Fish pond filter foam media - fish, - £27.99
Such have huge • Wealth experience online • Trading present list - Free postage - New and Used
Such have huge • Wealth experience online • Trading present list - Free postage - New and Used
Pond koi fish filter - fish, media - £26.95
Multiple uses filter • Foams have been • Work universally most - Free postage - New and Used
Multiple uses filter • Foams have been • Work universally most - Free postage - New and Used
Set kockney koi foam - koi, - £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
Lotus green genie - green, - £14.95
Compatible foam sets • Green genie filters • Not official manufacturer - Free postage - New and Used
Compatible foam sets • Green genie filters • Not official manufacturer - Free postage - New and Used
Kockney koi drilled foam - kockney, - £3.99
Suitable use kockney • Koi perforated insert • Drilled foam blocks - Free postage - New and Used
Suitable use kockney • Koi perforated insert • Drilled foam blocks - Free postage - New and Used
Set kockney koi - foam, sponge - £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
Hozelock bioforce replacement - hozelock, - £13.49
Fit most bioforce • Filters need work • Out how many - Free postage - New and Used
Fit most bioforce • Filters need work • Out how many - Free postage - New and Used
Kockney koi fish pond pre - koi, - £8.99
Everything aquarist pond • Keeper pet loverview • All products required - Free postage - New and Used
Everything aquarist pond • Keeper pet loverview • All products required - Free postage - New and Used
Pond filter foam media sheets - pond, - £34.95
Kockney koi piece • Pond filter foam • Set high quality - Free postage - New and Used
Kockney koi piece • Pond filter foam • Set high quality - Free postage - New and Used
Cbf range pond - pond, filter - £7.99
Suitable use 6000l • 6000 plus cbf • 350c koi pond - Free postage - New and Used
Suitable use 6000l • 6000 plus cbf • 350c koi pond - Free postage - New and Used
Kockney koi pond foam - kockney, - £8.95
These pond filter • Blocks are manufactured • Using aquatic grade - Free postage - New and Used
These pond filter • Blocks are manufactured • Using aquatic grade - Free postage - New and Used
Cbf range pond - pond, 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
Kockney koi mega box - kockney, - £33.99
Official kockney koi • Foams note these • Products set fits - Free postage - New and Used
Official kockney koi • Foams note these • Products set fits - Free postage - New and Used
Inch fine filter foam - x, 17 - £6.99
White filter wadding • Fleece can cut • Sissors now also - Free postage - New and Used
White filter wadding • Fleece can cut • Sissors now also - Free postage - New and Used
Pond koi fish filter - pond, - £21.95
Multiple uses filter • Foams have been • Work universally most - Free postage - New and Used
Multiple uses filter • Foams have been • Work universally most - Free postage - New and Used
Hozelock easyclear foam - hozelock, - £4.95
Hozelock easyclear filter • Systems tailor number • Needs key features - Free postage - New and Used
Hozelock easyclear filter • Systems tailor number • Needs key features - Free postage - New and Used
Japanese matting high - high, quality - £22.95
This one very • Best pond filter • Products market sheet - Free postage - New and Used
This one very • Best pond filter • Products market sheet - Free postage - New and Used
Fish pond filter - 24", - £29.50
Such have huge • Wealth experience online • Trading present list - Free postage - New and Used
Such have huge • Wealth experience online • Trading present list - Free postage - New and Used
Pond filter foam - foam, thick - £9.19
Thick white floss • Wadding will lay • Flat soon put - Free postage - New and Used
Thick white floss • Wadding will lay • Flat soon put - Free postage - New and Used
Pre filter foam block - foam, 4 - £6.95
Filter foam sponge • Kockney koi fish • Block cube hole - Free postage - New and Used
Filter foam sponge • Kockney koi fish • Block cube hole - Free postage - New and Used
Kockney koi yamitsu - kockney, - £27.49
Supplied foams fine • Polishing filter foam • Poly fleece white - Free postage - New and Used
Supplied foams fine • Polishing filter foam • Poly fleece white - Free postage - New and Used
Fish mate guv - fish, foam - £4.95
Fish mate guv • 2500 gbio 5000 • Aquacadabra filter foam - Free postage - New and Used
Fish mate guv • 2500 gbio 5000 • Aquacadabra filter foam - Free postage - New and Used
Pre filter foam block - pre-filter, - £8.95
Filter foam sponge • Kockney koi fish • Block cube hole - Free postage - New and Used
Filter foam sponge • Kockney koi fish • Block cube hole - Free postage - New and Used
Kockney koi piece foam pond - kockney, - £40.19
Can used conjunction • High quality sheet • Cut any giving - Free postage - New and Used
Can used conjunction • High quality sheet • Cut any giving - Free postage - New and Used
Pressurised pond filter - pressurised, - £8.99
- Free postage - New and Used
- Free postage - New and Used
Twin pack 25 - x, 25" - £37.95
Multiple uses filter • Foams have been • Work universally most - Free postage - New and Used
Multiple uses filter • Foams have been • Work universally most - Free postage - New and Used
Yamitsu mega large filter - yamitsu, - £38.84
- Free postage - New and Used
- Free postage - New and Used
Pre filter foam block 4 - foam, - £7.95
Filter foam sponge • Kockney koi fish • Block cube hole - Free postage - New and Used
Filter foam sponge • Kockney koi fish • Block cube hole - Free postage - New and Used
Foam set for - foam, cloverleaf - £36.99
Set foams • Aquacadabra foam sets • Cloverleaf cl1 cl2 - Free postage - New and Used
Set foams • Aquacadabra foam sets • Cloverleaf cl1 cl2 - Free postage - New and Used
Aquacdabra media sets - media, - £58.99
Experience convenience hassle • Free installation process • These foams seamlessly - Free postage - New and Used
Experience convenience hassle • Free installation process • These foams seamlessly - Free postage - New and Used
Kockney koi pond pump - kockney, - £4.69
Foam cubes are • These pre filter • Fit over pump - Free postage - New and Used
Foam cubes are • These pre filter • Fit over pump - Free postage - New and Used
Yamitsu filter replacement - yamitsu, - £24.94
- Free postage - New and Used
- Free postage - New and Used
Hozelock replacement filter - hozelock, - £21.95
Use hozelock green • Machine filters key • Features pisces black - Free postage - New and Used
Use hozelock green • Machine filters key • Features pisces black - Free postage - New and Used
Bioforce revolution cubes foam - bioforce, - £21.99
Hozelock bioforce revolution • Pond filter foam • More cubes will - Free postage - New and Used
Hozelock bioforce revolution • Pond filter foam • More cubes will - Free postage - New and Used
Pressurised pond filter pfc - filter, - £15.99
- Free postage - New and Used
- Free postage - New and Used
Genuine replacement filtomatic - genuine, - £94.95
Foams filtomatic 25000 • Genuine oase spares • Easy install your - Free postage - New and Used
Foams filtomatic 25000 • Genuine oase spares • Easy install your - Free postage - New and Used
Oase filtoclear media sets - media, - £96.99
Foams work together • Strain muck from • Water withstand harsh - Free postage - New and Used
Foams work together • Strain muck from • Water withstand harsh - Free postage - New and Used
Foam media sets compatible - foam, - £44.99
Square cut filter • Grids egg crate • Fish coral aquarium - Free postage - New and Used
Square cut filter • Grids egg crate • Fish coral aquarium - Free postage - New and Used
Oase pontec pondopress - oase, - £42.95
Oase pontec pondopress • Foam kits are • Sets all you - Free postage - New and Used
Oase pontec pondopress • Foam kits are • Sets all you - Free postage - New and Used
Lotus green genie 48000 - genie, - £18.20
Suitable 48000 such • Have huge wealth • Experience online trading - Free postage - New and Used
Suitable 48000 such • Have huge wealth • Experience online trading - Free postage - New and Used
Aquacadabra filter media foam - aquacadabra, - £12.99
Foam filtration removes • Debris from pond • Products key features - Free postage - New and Used
Foam filtration removes • Debris from pond • Products key features - Free postage - New and Used
Twin pack 17 - pack, 17" - £17.95
Due their flexibility • These can cut • Fit most box - Free postage - New and Used
Due their flexibility • These can cut • Fit most box - Free postage - New and Used
Pressurised pond filter - pressurised, - £4.38
Finest filters pressurised • Pond filter cpf • 5000 pcf 8000 - Free postage - New and Used
Finest filters pressurised • Pond filter cpf • 5000 pcf 8000 - Free postage - New and Used
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Everything you need to know about koi filter foam
Whether you are looking for a brand-new or second-hand koi filter foam, 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 £3.99, while premium listings can reach £96.99 — giving you a wide budget spread to work with. The average price of £22.44 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.