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K1 filter

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Pond moving bed filter - pond,

Pond moving bed filter - pond,

£6.99
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Pond koi filter - filter, bio

Pond koi filter - filter, bio

£8.99
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Kia ceed 2019 crdi d4fe - 2019,

Kia ceed 2019 crdi d4fe - 2019,

£183.99
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Allpondsolutions pond koi - allpondsolutions,

Allpondsolutions pond koi - allpondsolutions,

£11.99
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Evolution aqua pond - evolution,

Evolution aqua pond - evolution,

£62.99
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Pond filter media various - pond,

Pond filter media various - pond,

£599.99
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Evolution aqua filter media - evolution, k1

Evolution aqua filter media - evolution, k1

£65.99
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Evolution aqua filter - evolution, media

Evolution aqua filter - evolution, media

£74.95
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Evolution aqua k1 - k1, filter

Evolution aqua k1 - k1, filter

£65.95
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Finest filters litre bag k1 - litre,

Finest filters litre bag k1 - litre,

£2.35
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Evolution aqua filter bio - filter,

Evolution aqua filter bio - filter,

£65.95
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Filter media 25ltr 50ltr - k1,

Filter media 25ltr 50ltr - k1,

£89.95
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Biological filter media 5 - k1,

Biological filter media 5 - k1,

£21.50
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Genuine ford fiesta mk7 air - genuine,

Genuine ford fiesta mk7 air - genuine,

£52.70
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Evolution aqua micro filter - evolution,

Evolution aqua micro filter - evolution,

£12.45
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Evolution aqua eazypod green - eazypod,

Evolution aqua eazypod green - eazypod,

£499.95
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Pond aquarium bio - bio, media

Pond aquarium bio - bio, media

£599.99
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Evolution aqua micro - aqua,

Evolution aqua micro - aqua,

£33.98
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Filter media biological - media,

Filter media biological - media,

£8.46
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Micro filter media - k1,

Micro filter media - k1,

£69.95
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Evolution aqua media pond - k1,

Evolution aqua media pond - k1,

£6.99
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Kockney koi kk1000 filter - kockney,

Kockney koi kk1000 filter - kockney,

£21.50
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Aqua sure 56mm - aqua,

Aqua sure 56mm - aqua,

£64.99
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Media sacks pond - sacks, filter

Media sacks pond - sacks, filter

£4.45
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Oase hel media 25l koi - 25l,

Oase hel media 25l koi - 25l,

£48.75
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Evolution aqua filter bio - evolution, k1

Evolution aqua filter bio - evolution, k1

£69.34
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Evolution aqua media 35 - evolution,

Evolution aqua media 35 - evolution,

£44.38
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Evolution aqua media 50 - evolution,

Evolution aqua media 50 - evolution,

£63.95
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Aquafilter stage - 4,

Aquafilter stage - 4,

£91.00
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Evolution aqua micro - evolution, media

Evolution aqua micro - evolution, media

£113.79
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Pond filter balls bio - pond,

Pond filter balls bio - pond,

£25.99
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Evolution aqua eazypod - eazypod, filter

Evolution aqua eazypod - eazypod, filter

£499.95
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Evolution aqua kaldness - kaldness, k1

Evolution aqua kaldness - kaldness, k1

£6.99
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Honda pc50k1 pf50 pa50 - ,pf50,

Honda pc50k1 pf50 pa50 - ,pf50,

£4.50
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Mahle kl145 fuel filter bmw - kl145, k1

Mahle kl145 fuel filter bmw - kl145, k1

£14.50
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Kockney koi kk3500 - koi, filter

Kockney koi kk3500 - koi, filter

£29.95
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Evolution aqua media - evolution,

Evolution aqua media - evolution,

£17.99
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Evolution aqua micro pond - aqua,

Evolution aqua micro pond - aqua,

£113.79
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Aquafilter replacement water - replacement,

Aquafilter replacement water - replacement,

£24.20
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Volkswagen golf mk6 - volkswagen, 08-13

Volkswagen golf mk6 - volkswagen, 08-13

£249.99
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Evolution aqua media 25 - k1,

Evolution aqua media 25 - k1,

£42.95
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Air filter fits honda gx620k1 - air,

Air filter fits honda gx620k1 - air,

£12.42
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Air filter fits - air, hf1211

Air filter fits - air, hf1211

£11.99
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Evolution aqua filter bio - evolution,

Evolution aqua filter bio - evolution,

£9.49
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Engine air filter for - air,

Engine air filter for - air,

£7.99
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Honda air filter - air,

Honda air filter - air,

£13.08
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Karcher 2015 17 type - k3, 2015/17

Karcher 2015 17 type - k3, 2015/17

£3.97
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Oase hel media 1l - oase, koi

Oase hel media 1l - oase, koi

£13.49
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Pond filter balls - pond,

Pond filter balls - pond,

£26.89
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Air filter fits - air,

Air filter fits - air,

£11.99
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Evolution aqua micro - evolution,

Evolution aqua micro - evolution,

£121.95
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Honda gxv670 gxv610k1 - honda, gxv670,

Honda gxv670 gxv610k1 - honda, gxv670,

£13.80
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Fuel filter 0450905959 bosch - filter,

Fuel filter 0450905959 bosch - filter,

£21.76
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Honda air filter - honda,

Honda air filter - honda,

£13.08
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Evolution aqua micro pond - aqua, k1

Evolution aqua micro pond - aqua, k1

£69.00
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Engine air filter - air, vauxhall

Engine air filter - air, vauxhall

£7.99
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3pcs cone shape permanent - shape,

3pcs cone shape permanent - shape,

£2.90
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Air filter elbow for - air,

Air filter elbow for - air,

£18.49
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For vauxhall astra 1 - vauxhall, k

For vauxhall astra 1 - vauxhall, k

£7.99
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Air filter fits vauxhall - filter,

Air filter fits vauxhall - filter,

£14.70
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Filter media net bag - net,

Filter media net bag - net,

£6.00
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Evolution aqua moving - -, bed

Evolution aqua moving - -, bed

£48.95
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Engine air filter for vauxhall - engine,

Engine air filter for vauxhall - engine,

£9.99
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Secure click a1b1e1k1 - 3m,

Secure click a1b1e1k1 - 3m,

£23.13
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Air filter fits honda gxv160 - air,

Air filter fits honda gxv160 - air,

£9.53
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Honda gxv670 gxv610k1 - honda,

Honda gxv670 gxv610k1 - honda,

£5.99
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Filter media biological - filter,

Filter media biological - filter,

£8.42
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Filter cage fine - , mesh

Filter cage fine - , mesh

£4.50
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Fuel filter 0450905959 bosch - 0450905959,

Fuel filter 0450905959 bosch - 0450905959,

£26.10
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Oil filter fits vauxhall astra - oil,

Oil filter fits vauxhall astra - oil,

£10.60
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Fuel filter kx228d mahle - filter,

Fuel filter kx228d mahle - filter,

£14.20
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Evolution aqua micro pond - aqua,

Evolution aqua micro pond - aqua,

£71.95
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Filter media biological - k1,

Filter media biological - k1,

£8.08
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Air filter for vauxhall - for, astra

Air filter for vauxhall - for, astra

£8.29
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Eazypod easypod media cover - easypod, k1

Eazypod easypod media cover - easypod, k1

£13.49
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Honda ht3813 ht4213 - ht3813,,

Honda ht3813 ht4213 - ht3813,,

£10.99
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Honda service kit - honda,

Honda service kit - honda,

£52.99
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Evolution aqua eazypod air - aqua,

Evolution aqua eazypod air - aqua,

£649.95
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Oil filter suzuki - filter,

Oil filter suzuki - filter,

£13.55
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Air filter plug fits honda - air, filter,

Air filter plug fits honda - air, filter,

£16.99
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Scan 3100nm twin - twin, mask

Scan 3100nm twin - twin, mask

£15.37
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Air filter fits honda gxv670 - air,

Air filter fits honda gxv670 - air,

£15.42
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Fits honda pcx - pcx, 2021

Fits honda pcx - pcx, 2021

£13.99
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Pre air filter - pre,

Pre air filter - pre,

£9.99
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Filter media biological - k1,

Filter media biological - k1,

£8.08
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Vacspare premium hepa filter - hepa,

Vacspare premium hepa filter - hepa,

£4.99
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Fuel filter fits - fits, vauxhall

Fuel filter fits - fits, vauxhall

£13.66
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Air filter fits - vauxhall, astra

Air filter fits - vauxhall, astra

£21.93
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Air filter 17220 k1t - filter, 17220-k1t-e10

Air filter 17220 k1t - filter, 17220-k1t-e10

£11.64
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Evolution aqua micro pond - evolution,

Evolution aqua micro pond - evolution,

£118.95
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Genuine suzuki air filter - genuine,

Genuine suzuki air filter - genuine,

£30.00
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Vauxhall astra cdti dpf - cdti,

Vauxhall astra cdti dpf - cdti,

£598.80
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Oil filter fits vauxhall astra - oil,

Oil filter fits vauxhall astra - oil,

£7.70
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Honda pcx125 2021 2025 - honda,

Honda pcx125 2021 2025 - honda,

£18.99
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Ispring f9k year - f9k, reverse

Ispring f9k year - f9k, reverse

£101.17
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Evolution aqua eazypod pond - eazypod,

Evolution aqua eazypod pond - eazypod,

£499.95
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📊96 listings · from £2.35 · avg £72.98

Browse 96 k1 filter listings currently in our index. Prices range from £2.35 to £649.95, with an average of £72.98. 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 k1 filter →

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Everything you need to know about k1 filter

Whether you are looking for a brand-new or second-hand k1 filter, 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 £2.35, while premium listings can reach £649.95 — giving you a wide budget spread to work with. The average price of £72.98 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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