{"product_id":"blueair-blue-signature™-medium-dark-air-purifier-with-hepasilent™-technology","title":"Blueair Blue Signature™ Medium Dark Air Purifier With HEPASilent™ Technology","description":"\u003cp\u003eThe Blue Signature™ SP3i Medium delivers powerful 7‑stage filtration, advanced odour removal, and whisper‑quiet performance in a beautifully designed form factor. With RealTrack™ filter lifetime tracking, motion‑activated touchscreen controls, and smart VOC sensing, it’s engineered for homes that want deep, effortless clean air.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCleans Your Air From:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e[Coarse Particles (PM10)]: Dust, pollen, smoke, soot, mould spores, pet hair.\u003c\/li\u003e\n\u003cli\u003e[Fine Particles (PM2.5)]: Smoke, pet dander, bacteria, viruses, transport emissions.\u003c\/li\u003e\n\u003cli\u003e[Ultrafine Particles (PM0.1)]: Smoke, bacteria, viruses, and fine aerosols from cooking.\u003c\/li\u003e\n\u003cli\u003e[Microorganisms]: Bacteria, fungi, protists, and viruses.\u003c\/li\u003e\n\u003cli\u003e[Volatile Organic Compounds (VOCs)]: Harmful substances from paints, solvents, and tobacco smoke that can affect your health.\u003c\/li\u003e\n\u003cli\u003e[Odours]: Originate from various sources, including food, animals, and industrial processes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHow It Works:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003e[7‑Stage \u003c\/span\u003e\u003cspan\u003eFiltration]: \u003c\/span\u003e\u003cspan\u003eRemoves \u003c\/span\u003e\u003cspan\u003e99.97% \u003c\/span\u003e\u003cspan\u003eof \u003c\/span\u003e\u003cspan\u003eairborne \u003c\/span\u003e\u003cspan\u003eparticles \u003c\/span\u003e\u003cspan\u003edown \u003c\/span\u003e\u003cspan\u003eto \u003c\/span\u003e\u003cspan\u003e0.1 \u003c\/span\u003e\u003cspan\u003emicrons \u003c\/span\u003e\u003cspan\u003e— \u003c\/span\u003e\u003cspan\u003edust, \u003c\/span\u003e\u003cspan\u003epollen, \u003c\/span\u003e\u003cspan\u003ebacteria, \u003c\/span\u003e\u003cspan\u003eviruses, \u003c\/span\u003e\u003cspan\u003emould \u003c\/span\u003e\u003cspan\u003eallergens.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e[OdourFence™ \u003c\/span\u003e\u003cspan\u003eTechnology]: \u003c\/span\u003e\u003cspan\u003eBreaks \u003c\/span\u003e\u003cspan\u003edown \u003c\/span\u003e\u003cspan\u003eodour \u003c\/span\u003e\u003cspan\u003egases \u003c\/span\u003e\u003cspan\u003efor \u003c\/span\u003e10× better odour removal vs leading competitors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e[HEPASilent™ \u003c\/span\u003e\u003cspan\u003eTechnology]: \u003c\/span\u003e\u003cspan\u003eElectrostatic \u003c\/span\u003e\u003cspan\u003e+ \u003c\/span\u003e\u003cspan\u003emechanical \u003c\/span\u003e\u003cspan\u003efiltration \u003c\/span\u003e\u003cspan\u003efor \u003c\/span\u003e\u003cspan\u003ehigh \u003c\/span\u003e\u003cspan\u003eCADR \u003c\/span\u003e\u003cspan\u003ewith \u003c\/span\u003e\u003cspan\u003elow \u003c\/span\u003e\u003cspan\u003enoise \u003c\/span\u003e\u003cspan\u003eand \u003c\/span\u003e\u003cspan\u003elow \u003c\/span\u003e\u003cspan\u003eenergy \u003c\/span\u003e\u003cspan\u003euse.\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e[Smart \u003c\/span\u003e\u003cspan\u003eVOC \u003c\/span\u003e\u003cspan\u003eSensing]: \u003c\/span\u003e\u003cspan\u003eContinuously \u003c\/span\u003e\u003cspan\u003edetects \u003c\/span\u003e\u003cspan\u003eairborne \u003c\/span\u003e\u003cspan\u003egases \u003c\/span\u003e\u003cspan\u003eand \u003c\/span\u003e\u003cspan\u003echemical \u003c\/span\u003e\u003cspan\u003epollutants \u003c\/span\u003e\u003cspan\u003ein \u003c\/span\u003e\u003cspan\u003ereal \u003c\/span\u003e\u003cspan\u003etime.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e[Motion‑Activated \u003c\/span\u003e\u003cspan\u003eTouchscreen]: \u003c\/span\u003e\u003cspan\u003eLights \u003c\/span\u003e\u003cspan\u003eup \u003c\/span\u003e\u003cspan\u003ewhen \u003c\/span\u003e\u003cspan\u003eyou \u003c\/span\u003e\u003cspan\u003eapproach; \u003c\/span\u003e\u003cspan\u003edims \u003c\/span\u003e\u003cspan\u003ewhen \u003c\/span\u003e\u003cspan\u003eyou \u003c\/span\u003e\u003cspan\u003ewalk \u003c\/span\u003e\u003cspan\u003eaway.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e[RealTrack™ \u003c\/span\u003e\u003cspan\u003eFilter \u003c\/span\u003e\u003cspan\u003eAlgorithm]: \u003c\/span\u003e\u003cspan\u003eAccurately \u003c\/span\u003e\u003cspan\u003ecalculates \u003c\/span\u003e\u003cspan\u003efilter \u003c\/span\u003e\u003cspan\u003elife \u003c\/span\u003e\u003cspan\u003ebased \u003c\/span\u003e\u003cspan\u003eon \u003c\/span\u003e\u003cspan\u003eusage, \u003c\/span\u003e\u003cspan\u003efan \u003c\/span\u003e\u003cspan\u003espeed, \u003c\/span\u003e\u003cspan\u003eand \u003c\/span\u003e\u003cspan\u003epollution \u003c\/span\u003e\u003cspan\u003elevels.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e[Blueair \u003c\/span\u003e\u003cspan\u003eApp \u003c\/span\u003e\u003cspan\u003eControl]: \u003c\/span\u003e\u003cspan\u003eAdjust \u003c\/span\u003e\u003cspan\u003espeeds, \u003c\/span\u003e\u003cspan\u003eset \u003c\/span\u003e\u003cspan\u003eschedules, \u003c\/span\u003e\u003cspan\u003elock \u003c\/span\u003e\u003cspan\u003edisplay, \u003c\/span\u003e\u003cspan\u003etrack \u003c\/span\u003e\u003cspan\u003efilter \u003c\/span\u003e\u003cspan\u003elife, \u003c\/span\u003e\u003cspan\u003eand \u003c\/span\u003e\u003cspan\u003emonitor \u003c\/span\u003e\u003cspan\u003eair \u003c\/span\u003e\u003cspan\u003equality.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e[Double \u003c\/span\u003e\u003cspan\u003eFilter \u003c\/span\u003e\u003cspan\u003eLifetime]: \u003c\/span\u003e\u003cspan\u003ePatent‑pending \u003c\/span\u003e\u003cspan\u003efilter \u003c\/span\u003e\u003cspan\u003edesign \u003c\/span\u003e\u003cspan\u003eextends \u003c\/span\u003e\u003cspan\u003elifespan \u003c\/span\u003e\u003cspan\u003eto \u003c\/span\u003e\u003cspan\u003e9–12 \u003c\/span\u003e\u003cspan\u003emonths.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e[Table‑Top \u003c\/span\u003e\u003cspan\u003eFriendly]: \u003c\/span\u003e\u003cspan\u003eFlat \u003c\/span\u003e\u003cspan\u003etop \u003c\/span\u003e\u003cspan\u003esurface \u003c\/span\u003e\u003cspan\u003edoubles \u003c\/span\u003e\u003cspan\u003eas \u003c\/span\u003e\u003cspan\u003ea \u003c\/span\u003e\u003cspan\u003eside \u003c\/span\u003e\u003cspan\u003etable.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eA Top Pick For:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e[Bedrooms]: Whisper‑quiet 23 dB night mode + auto‑dimming display.\u003c\/li\u003e\n\u003cli\u003e[Living Rooms]: High CADR + strong odour removal for cooking and pets.\u003c\/li\u003e\n\u003cli\u003e[Home Offices]: Smart sensing + low noise for focused work.\u003c\/li\u003e\n\u003cli\u003e[Design‑Led Homes]: Premium Scandinavian aesthetics in Midnight finish.\u003c\/li\u003e\n\u003cli\u003e[Allergy \u0026amp; Asthma Homes]: Deep particle removal + VOC sensing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhy We Like It:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e[Huge CADR Performance]: – Pollen: 561 m³\/h – Dust: 525 m³\/h – Smoke: 545 m³\/h.\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDeep Odour Removal]: OdourFence™ breaks down gases rather than masking them.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e[Smart Everything]: VOC sensing, RealTrack™, motion‑activated display, app control.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e[Quiet \u0026amp; Efficient]: 23–55 dB and just 3.5–42 W energy use.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e[Premium Build]: Designed to be seen, not hidden — doubles as a table‑top.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCare and Maintenance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e[Filter Replacement]: Every 9–12 months; LED turns red when needed.\u003c\/li\u003e\n\u003cli\u003e[Pre‑Filter Cleaning]: Wash or vacuum to maintain airflow.\u003c\/li\u003e\n\u003cli\u003e[Placement]: Ideal in rooms around 65 m² for AHAM‑recommended air changes.\u003c\/li\u003e\n\u003cli\u003e[App Alerts]: Receive filter reminders and air‑quality notifications.\u003c\/li\u003e\n\u003cli\u003e[Noise Management]: Night mode for whisper‑quiet operation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Blueair","offers":[{"title":"Default Title","offer_id":57302153560444,"sku":"113859","price":269.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0267\/8472\/7088\/files\/MAIN_Signature_M_MIdnight_PLP_July.webp?v=1786910279","url":"https:\/\/aerify.co.uk\/products\/blueair-blue-signature%e2%84%a2-medium-dark-air-purifier-with-hepasilent%e2%84%a2-technology","provider":"Aerify Solutions Ltd","version":"1.0","type":"link"}