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Challenge 3.5 litre ultrasonic humidifier

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Challenge litre ultrasonic - 3.2,

Challenge litre ultrasonic - 3.2,

£14.99
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Challenge ultrasonic - challenge,

Challenge ultrasonic - challenge,

£9.75
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Challenge litre ultrasonic - challenge,

Challenge litre ultrasonic - challenge,

£14.99
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Challenge ultrasonic - 3.2l,

Challenge ultrasonic - 3.2l,

£22.99
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Challenge litre ultrasonic - 3.2,

Challenge litre ultrasonic - 3.2,

£29.99
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Homvana cool mist - cool,

Homvana cool mist - cool,

£14.59
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Challenge litres - challenge, 3.5

Challenge litres - challenge, 3.5

£15.08
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Challenge litre ultrasonic - 3.2,

Challenge litre ultrasonic - 3.2,

£29.99
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Challenge htj 2027 2l - challenge, 3.2l

Challenge htj 2027 2l - challenge, 3.2l

£10.80
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Ultrasonic cool mist - ultrasonic,

Ultrasonic cool mist - ultrasonic,

£12.99
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Challenge ultrasonic - 3.2l,

Challenge ultrasonic - 3.2l,

£10.00
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Challenge htj 2027 2l - challenge, htj-2027

Challenge htj 2027 2l - challenge, htj-2027

£26.70
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Ultrasonic air humidifier - 2l,

Ultrasonic air humidifier - 2l,

£7.27
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Challenge ultrasonic - challenge,

Challenge ultrasonic - challenge,

£21.39
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Cool mist air - cool, humidifier

Cool mist air - cool, humidifier

£25.99
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Ultrasonic cool mist - 4l,

Ultrasonic cool mist - 4l,

£35.99
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Challenge ultrasonic - challenge,

Challenge ultrasonic - challenge,

£10.80
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Dreo humidifier for bedroom - dreo,

Dreo humidifier for bedroom - dreo,

£13.50
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Homàsy hm421a cool mist - hm421a,

Homàsy hm421a cool mist - hm421a,

£5.45
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Warm mist humidifier - mist,

Warm mist humidifier - mist,

£149.99
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Challenge ultrasonic - 3l,

Challenge ultrasonic - 3l,

£15.00
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Clevast hd01 smart - cl-hd01,

Clevast hd01 smart - cl-hd01,

£14.95
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Ram ultrasonic air - 5l,

Ram ultrasonic air - 5l,

£21.50
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Ultrasonic air humidifier - 2l,

Ultrasonic air humidifier - 2l,

£7.71
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Ultrasonic air humidifier - 2l,

Ultrasonic air humidifier - 2l,

£7.35
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Ram ultrasonic air humidifier - ram,

Ram ultrasonic air humidifier - ram,

£35.02
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Silent cool mist ultrasonic - cool,

Silent cool mist ultrasonic - cool,

£18.66
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Raydrop cool mist - raydrop,

Raydrop cool mist - raydrop,

£14.95
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Homvana h102 tabletop - h102,

Homvana h102 tabletop - h102,

£26.68
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Raydrop cool mist - cool,

Raydrop cool mist - cool,

£24.99
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Ultrasonic humidifier 020h - ultrasonic,

Ultrasonic humidifier 020h - ultrasonic,

£15.08
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Ultrasonic humidifier quiet - humidifier,

Ultrasonic humidifier quiet - humidifier,

£29.99
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Ultrasonic humidifier for - ultrasonic,

Ultrasonic humidifier for - ultrasonic,

£38.62
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Homvana h101 ultrasonic - homvana,

Homvana h101 ultrasonic - homvana,

£19.95
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Cool mist air humidifier - cool,

Cool mist air humidifier - cool,

£10.89
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Humidifier for bedroom cool - bedroom,

Humidifier for bedroom cool - bedroom,

£16.99
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Air humidifier top fill - 5l,

Air humidifier top fill - 5l,

£30.43
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Ram ultrasonic humidifier - ultrasonic,

Ram ultrasonic humidifier - ultrasonic,

£99.95
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Silent cool mist ultrasonic - cool,

Silent cool mist ultrasonic - cool,

£19.95
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Humidifier for bedroom - humidifier,

Humidifier for bedroom - humidifier,

£39.17
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Raydrop cool mist - raydrop,

Raydrop cool mist - raydrop,

£14.00
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Challenge ultrasonic - challenge, 3l

Challenge ultrasonic - challenge, 3l

£25.00
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Challenge ultrasonic 2l - ultrasonic, 3.2l

Challenge ultrasonic 2l - ultrasonic, 3.2l

£18.29
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Homasy top fill - homasy, ultrasonic

Homasy top fill - homasy, ultrasonic

£12.94
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Ultrasonic humidifier for - ultrasonic,

Ultrasonic humidifier for - ultrasonic,

£38.62
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Ultrasonic humidifier 020h - ultrasonic,

Ultrasonic humidifier 020h - ultrasonic,

£5.45
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Dual nozzle humidifier with - dual,

Dual nozzle humidifier with - dual,

£11.01
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Clevast smart humidifier for - clevast,

Clevast smart humidifier for - clevast,

£19.95
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Ram ultrasonic humidifier - ultrasonic,

Ram ultrasonic humidifier - ultrasonic,

£999.00
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Clevast hd01 smart - cl-hd01,

Clevast hd01 smart - cl-hd01,

£16.15
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Homvana humidifier 1 5 - 3,

Homvana humidifier 1 5 - 3,

£16.15
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Cool mist air humidifier - air, 4l

Cool mist air humidifier - air, 4l

£19.99
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Cool mist air - cool, humidifier

Cool mist air - cool, humidifier

£8.89
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Gupay ultrasonic - 💧,

Gupay ultrasonic - 💧,

£9.99
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Dreo humidifier bedroom sensor - dreo,

Dreo humidifier bedroom sensor - dreo,

£9.16
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Raydrop rd06 ultrasonic - raydrop, kc-rd06

Raydrop rd06 ultrasonic - raydrop, kc-rd06

£10.80
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Dreo smart humidifier 28db - smart,

Dreo smart humidifier 28db - smart,

£76.82
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Cool mist air - mist,

Cool mist air - mist,

£8.89
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H2o ultrasonic humidifier with - ultrasonic,

H2o ultrasonic humidifier with - ultrasonic,

£14.01
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Homvana humidifier for - homvana,

Homvana humidifier for - homvana,

£18.99
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Cool mist humidifier tank - cool,

Cool mist humidifier tank - cool,

£13.30
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Alacris smart ultrasonic - alacris, 4l

Alacris smart ultrasonic - alacris, 4l

£28.00
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Puremate pm805 ultrasonic cool - pm805,

Puremate pm805 ultrasonic cool - pm805,

£37.10
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500ml ultrasonic humidifier - 500ml,

500ml ultrasonic humidifier - 500ml,

£19.99
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Homvana humidifier for - for, bedroom

Homvana humidifier for - for, bedroom

£16.99
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Challenge htj 2027 - challenge, htj-2027

Challenge htj 2027 - challenge, htj-2027

£24.57
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Dreo humidifier for bedroom - dreo,

Dreo humidifier for bedroom - dreo,

£14.76
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Elechomes top fill - top-fill, ultrasonic

Elechomes top fill - top-fill, ultrasonic

£26.69
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Ram 13l ultrasonic humidifier - ram,

Ram 13l ultrasonic humidifier - ram,

£83.90
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Humidifier smart cool mist - smart, air

Humidifier smart cool mist - smart, air

£14.71
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Ultrasonic humidifier with - humidifier,

Ultrasonic humidifier with - humidifier,

£6.52
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Smart humidifier 2000ml - smart,

Smart humidifier 2000ml - smart,

£139.99
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Humidifier for bedroom - humidifier,

Humidifier for bedroom - humidifier,

£42.83
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Humidifier 4l ultrasonic - |,

Humidifier 4l ultrasonic - |,

£21.99
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Mist air humidifier quiet - mist,

Mist air humidifier quiet - mist,

£10.95
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Air humidifier top fill - 5l,

Air humidifier top fill - 5l,

£30.43
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Lightweight cool mist - lightweight,

Lightweight cool mist - lightweight,

£30.93
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300ml ultrasonic humidifier - 300ml,

300ml ultrasonic humidifier - 300ml,

£12.32
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Energy efficient 280ml - energy-efficient,

Energy efficient 280ml - energy-efficient,

£13.99
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Silent cool mist ultrasonic - silent,

Silent cool mist ultrasonic - silent,

£26.33
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Cool mist humidifier for - mist, 4l

Cool mist humidifier for - mist, 4l

£32.89
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Humidifier for bedroom - for,

Humidifier for bedroom - for,

£15.69
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Elechomes ultrasonic - elechomes,

Elechomes ultrasonic - elechomes,

£23.55
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Premium ultrasonic humidifier - premium,

Premium ultrasonic humidifier - premium,

£21.50
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Vicks cool mist - vicks, humidifier

Vicks cool mist - vicks, humidifier

£11.33
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Modern ultrasonic humidifier - ultrasonic,

Modern ultrasonic humidifier - ultrasonic,

£5.02
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280ml ultra quiet cool mist - 280ml,

280ml ultra quiet cool mist - 280ml,

£12.99
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Homvana cool mist - homvana,

Homvana cool mist - homvana,

£25.99
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Zmarkraft large humidifier - zmarkraft,

Zmarkraft large humidifier - zmarkraft,

£24.99
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500ml ultrasonic humidifier - 500ml,

500ml ultrasonic humidifier - 500ml,

£13.92
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Humidifier for bedroom - humidifier,

Humidifier for bedroom - humidifier,

£38.15
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Homvana h101 ultrasonic - homvana,

Homvana h101 ultrasonic - homvana,

£16.15
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Dreo humidifier for - dreo, bedroom

Dreo humidifier for - dreo, bedroom

£31.95
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Large humidifier air - large,

Large humidifier air - large,

£79.99
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Silent cool mist - silent, ultrasonic

Silent cool mist - silent, ultrasonic

£28.29
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Ultra quiet cool mist - ultra-quiet,

Ultra quiet cool mist - ultra-quiet,

£39.90
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📊96 listings · from £5.02 · avg £35.25
⚠️ These listings were last updated more than 13 days ago. Search for fresh listings

Browse 96 challenge 3.5 litre ultrasonic humidifier listings currently in our index. Prices range from £5.02 to £999, with an average of £35.25. 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 challenge 3.5 litre ultrasonic humidifier →

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Everything you need to know about challenge 3.5 litre ultrasonic humidifier

Whether you are looking for a brand-new or second-hand challenge 3.5 litre ultrasonic humidifier, 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 £5.02, while premium listings can reach £999 — giving you a wide budget spread to work with. The average price of £35.25 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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