{"product_id":"dyson-big-quiet-formaldehyde-bp04-purifying-fan-air-purifier-prussian-blue-gold","title":"Dyson Big + Quiet Formaldehyde BP04 Purifying Fan Air Purifier - Prussian Blue\/Gold","description":"\u003ch2\u003e\u003cstrong\u003eDyson BP04 Purifier Big + Quiet Formaldehyde Purifying Fan – Prussian Blue\/Gold (545814-01)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Dyson BP04 Purifier Big + Quiet Formaldehyde Purifying Fan is designed for homes that need more than basic air cleaning. It combines powerful whole-room purification, detailed air quality sensing and quiet operation, making it suitable for larger living areas where consistent air quality really matters.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eEngineered for Large Rooms up to 100m²\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eMost air purifiers struggle to move air effectively across bigger spaces. The BP04 is built differently. It projects purified air over 10 metres, helping circulate clean air evenly throughout open-plan rooms.\u003c\/p\u003e\n\u003cp\u003eThis means you’re not just cleaning the air near the machine—you’re improving air quality across the entire space, whether it's a large lounge, kitchen-diner or studio layout.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eAdvanced 3-Stage Filtration – What It Actually Does\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe filtration system works in layers, each targeting a different type of pollutant:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHEPA H13 filter\u003c\/strong\u003e – captures ultra-fine particles like dust, pollen, pet dander and even bacteria\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActivated carbon filter\u003c\/strong\u003e – removes gases, smoke and household odours (like cooking smells)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalytic filter\u003c\/strong\u003e – continuously breaks down formaldehyde rather than simply trapping it\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTogether, these filters handle both visible and invisible pollutants, from everyday dust to airborne chemicals released by furniture or cleaning products.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eDetects and Destroys Formaldehyde Continuously\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eFormaldehyde is commonly released from materials like wood furniture, fabrics and paints. It’s also one of the hardest pollutants to deal with.\u003c\/p\u003e\n\u003cp\u003eThe BP04 uses a solid-state sensor that detects extremely small formaldehyde particles (much smaller than standard HEPA filtration can capture). Once detected, the catalytic filter breaks it down into harmless elements—and importantly, it keeps doing this over time without needing replacement.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eK-Carbon Filter – Designed for Urban Living\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIf you live near traffic or in a built-up area, nitrogen dioxide (NO₂) can be a concern indoors as well as outdoors.\u003c\/p\u003e\n\u003cp\u003eThe K-Carbon filter is treated with potassium carbonate, allowing it to absorb significantly more NO₂ than standard carbon filters. In practical terms, this helps reduce exposure to pollution that can enter your home from outside air.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eReal-Time Air Quality Monitoring You Can Understand\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eInside the purifier is a group of sensors that track:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eParticulate matter (PM2.5 \/ PM10)\u003c\/li\u003e\n\u003cli\u003eVolatile organic compounds (VOCs)\u003c\/li\u003e\n\u003cli\u003eNitrogen dioxide (NO₂)\u003c\/li\u003e\n\u003cli\u003eFormaldehyde\u003c\/li\u003e\n\u003cli\u003eCarbon dioxide (CO₂)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe system checks air quality constantly and shows live updates on the LCD screen or in the \u003cstrong\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eMyDyson™ app\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eRather than just running blindly, the machine adjusts itself based on what it detects—so you always know what’s happening in your home.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eAuto Mode – Works in the Background\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eAuto mode is designed for everyday convenience. When pollution levels rise (for example, during cooking or cleaning), the purifier increases its power automatically.\u003c\/p\u003e\n\u003cp\u003eOnce the air is clean again, it reduces activity to save energy and keep noise levels low. You don’t need to constantly adjust settings—it manages itself.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eQuiet Operation – Even at High Power\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eLarge purifiers are often noisy, especially when working hard. Dyson has focused on acoustic engineering here, reducing turbulence and motor noise.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRuns quietly during normal use\u003c\/li\u003e\n\u003cli\u003eNight mode lowers noise even further\u003c\/li\u003e\n\u003cli\u003eSleep timer lets you run it overnight without disturbance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis makes it suitable for living rooms, bedrooms or home offices where constant noise would be distracting.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eCooling Fan Function – More Than Just Purification\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe BP04 isn’t only for air quality—it also helps with comfort.\u003c\/p\u003e\n\u003cp\u003eIt delivers a strong stream of purified air, which can be adjusted depending on your preference:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSet airflow angles (0°, 25° or 50°)\u003c\/li\u003e\n\u003cli\u003eUse \u003cstrong\u003eBreeze mode\u003c\/strong\u003e for a more natural, varied airflow\u003c\/li\u003e\n\u003cli\u003eHelps cool you during warmer weather\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSo instead of needing a separate fan, this works as a 2-in-1 solution.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eFull App \u0026amp; Smart Home Control\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eUsing the MyDyson™ app, you can:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMonitor air quality remotely\u003c\/li\u003e\n\u003cli\u003eAdjust fan speed and modes\u003c\/li\u003e\n\u003cli\u003eSet timers and schedules\u003c\/li\u003e\n\u003cli\u003eTrack filter life\u003c\/li\u003e\n\u003cli\u003eGet alerts when air quality changes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt also works with compatible voice assistants, so you can control it hands-free.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eCO₂ Monitoring \u0026amp; Alerts\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe BP04 doesn’t just track particles and gases—it also monitors carbon dioxide levels.\u003c\/p\u003e\n\u003cp\u003eIf CO₂ levels rise (which can happen in poorly ventilated rooms), the system alerts you. This is useful for maintaining a fresher, more comfortable indoor environment, especially in sealed or busy living spaces.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eLong-Lasting Filter System\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eUnlike many purifiers that require frequent replacements, the HEPA filter is designed to last up to 11 years under normal use.\u003c\/p\u003e\n\u003cp\u003eThis reduces ongoing maintenance costs and makes the product more practical over time.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eEasy to Move, Easy to Live With\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eDespite its size and power, the BP04 is designed for everyday use:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHidden wheels make it easy to move between rooms\u003c\/li\u003e\n\u003cli\u003eStable, well-balanced design\u003c\/li\u003e\n\u003cli\u003ePremium Prussian Blue\/Gold finish fits modern interiors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features Summary\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCovers large spaces up to 100m²\u003c\/li\u003e\n\u003cli\u003eProjects air over 10 metres for even purification\u003c\/li\u003e\n\u003cli\u003eHEPA H13 + Carbon + Catalytic filtration\u003c\/li\u003e\n\u003cli\u003eDestroys formaldehyde continuously\u003c\/li\u003e\n\u003cli\u003eK-Carbon filter absorbs more NO₂\u003c\/li\u003e\n\u003cli\u003eReal-time air quality sensing with LCD display\u003c\/li\u003e\n\u003cli\u003eCO₂ monitoring with alerts\u003c\/li\u003e\n\u003cli\u003eQuiet operation with Night mode\u003c\/li\u003e\n\u003cli\u003eCooling fan with adjustable airflow\u003c\/li\u003e\n\u003cli\u003eApp and voice control via MyDyson™\u003c\/li\u003e\n\u003cli\u003eLong-life filter (up to 11 years)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eA More Complete Air Care Solution\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-is-last-node=\"\" data-is-only-node=\"\"\u003eThe Dyson BP04 goes beyond basic filtration. It actively monitors, reacts and improves your indoor air—while staying quiet and easy to use. For larger homes or open-plan spaces, it offers a more consistent and intelligent approach to air quality.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eGeneral Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable style=\"width: 52.3214%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 50.638%; text-align: left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"width: 48.6651%; text-align: left;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50.638%;\"\u003eNumber of Speed Settings\u003c\/td\u003e\n\u003ctd style=\"width: 48.6651%;\"\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50.638%;\"\u003eQuiet Setting\u003c\/td\u003e\n\u003ctd style=\"width: 48.6651%;\"\u003e39.8 dB(A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50.638%;\"\u003eMaximum Setting\u003c\/td\u003e\n\u003ctd style=\"width: 48.6651%;\"\u003e56 dB(A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50.638%;\"\u003eCarbon Filter Life\u003c\/td\u003e\n\u003ctd style=\"width: 48.6651%;\"\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50.638%;\"\u003ePrimary Airflow\u003c\/td\u003e\n\u003ctd style=\"width: 48.6651%;\"\u003e83.7 l\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50.638%;\"\u003eStandby Power Consumption\u003c\/td\u003e\n\u003ctd style=\"width: 48.6651%;\"\u003e0.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50.638%;\"\u003eRoom Coverage\u003c\/td\u003e\n\u003ctd style=\"width: 48.6651%;\"\u003e100 m²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50.638%;\"\u003eCord Length\u003c\/td\u003e\n\u003ctd style=\"width: 48.6651%;\"\u003e1.8 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50.638%;\"\u003eHEPA Filter Life\u003c\/td\u003e\n\u003ctd style=\"width: 48.6651%;\"\u003e5 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eDimensions \u0026amp; Build (Purifier BigQuiet Formaldehyde)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable style=\"width: 52.1429%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 50.5915%; text-align: left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"width: 48.7092%; text-align: left;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50.5915%;\"\u003eHeight\u003c\/td\u003e\n\u003ctd style=\"width: 48.7092%;\"\u003e830 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50.5915%;\"\u003eWidth\u003c\/td\u003e\n\u003ctd style=\"width: 48.7092%;\"\u003e415 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50.5915%;\"\u003eLength\u003c\/td\u003e\n\u003ctd style=\"width: 48.7092%;\"\u003e434 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50.5915%;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"width: 48.7092%;\"\u003e11.90 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50.5915%;\"\u003eProjection \/ Angle\u003c\/td\u003e\n\u003ctd style=\"width: 48.7092%;\"\u003e0° \/ 25° \/ 50°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 50.5915%;\"\u003eHEPA Filter Type\u003c\/td\u003e\n\u003ctd style=\"width: 48.7092%;\"\u003eGlass fibre HEPA filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eIn the Box\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable style=\"width: 51.9643%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 49.7414%; text-align: left;\"\u003eItem\u003c\/th\u003e\n\u003cth style=\"width: 49.5569%; text-align: left;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 49.7414%;\"\u003eMain Unit\u003c\/td\u003e\n\u003ctd style=\"width: 49.5569%;\"\u003eDyson Purifier BigQuiet Formaldehyde\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 49.7414%;\"\u003eRemote Control\u003c\/td\u003e\n\u003ctd style=\"width: 49.5569%;\"\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 49.7414%;\"\u003eHEPA Filter\u003c\/td\u003e\n\u003ctd style=\"width: 49.5569%;\"\u003eHEPA H13 grade filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 49.7414%;\"\u003eCarbon Filter\u003c\/td\u003e\n\u003ctd style=\"width: 49.5569%;\"\u003eK-Carbon filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan class=\"body-search-keyword\" style=\"display: none;\"\u003eDyson Big + Quiet Formaldehyde BP04 Purifying Fan Air Purifier - Prussian Blue\/Gold, Dyson, Big+Quiet, Formaldehyde, BP04, Purifying, Fan, Air, Purifier, Prussian, Blue, Gold, Dyson BP03 Purifier Big+Quiet Formaldehyde, Dyson, BP03, Purifier, Big,+, Quiet, Formaldehyde, dyson in uk, dyson home, Dyson Big+Quiet Formaldehyde Air Purifier, Dyson, Big+Quiet, Formaldehyde, Air Purifier, dyson air purifier, dysopnbp03, bp04, dyson bp04\u003c\/span\u003e\u003c\/p\u003e","brand":"Dyson","offers":[{"title":"Default Title","offer_id":57093203657081,"sku":"2000003431","price":899.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0636\/8224\/8931\/files\/dyson-big-quiet-formaldehyde-bp04-purifying-fan-air-purifier-prussian-blue-gold-1232995873.jpg?v=1776648560","url":"https:\/\/www.electricshop.com\/products\/dyson-big-quiet-formaldehyde-bp04-purifying-fan-air-purifier-prussian-blue-gold","provider":"electricshop.com","version":"1.0","type":"link"}