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Blueair Blue 511i Max Smart WiFi Air Purifier
£129.00
Blueair Blue 511i Max Smart WiFi Air Purifier, HEPASilent Dual Filtration Up To 105.7m², Whisper Quiet, Air Cleaner for Pets, Allergies, Virus, Dust, Mould, Smoke
13 in stock
Shipping Policy
Free standard shipping, everywhere in the UK
We keep shipping simple: every order ships free, with no minimum spend required, anywhere in the United Kingdom.
Delivery timeline
- Processing time: 1–2 business days to prepare your order before it ships.
- Delivery time: 1–7 business days once dispatched.
- Business days are Monday to Friday, excluding UK bank holidays.
How you’ll know where your order is
Once your order ships, we’ll email you tracking information so you can follow its progress right up to your door.
One shipping option, for everyone
We currently offer a single shipping method — free standard delivery — for all orders and all UK postcodes. There’s no express or next-day option at this time, so the 1–7 business day window applies across the board.
If your delivery is taking longer than expected
If it’s been more than 7 business days since dispatch and your order hasn’t arrived, contact us at support@sgislandcart.com or +44 1372 463099 with your order number, and we’ll look into it with the courier right away.
Return & Refund
You have 30 days from the date of delivery to return your order for a full refund — no reason needed. This is more generous than your minimum legal right to cancel under UK law, so by offering 30 days, we already cover that requirement in full.
What condition the item needs to be in
You’re welcome to open the packaging and check the item the way you would in a physical shop. If it comes back showing signs of use beyond this — for example, worn, installed, or damaged — we may deduct an amount from your refund to reflect the reduction in value. We’ll always explain clearly why, and how much, before finalising any deduction.
How to return an item
- Email support@sgislandcart.com within 30 days of delivery, with your order number and the reason for return.
- We’ll confirm the process and give you a returns address.
- Pack the item securely, ideally in its original packaging, and send it back.
- Once we receive and inspect it, we’ll refund you to your original payment method within 7 days.
If something arrives faulty, damaged, or incorrect
This isn’t limited to the 30-day window. Under the Consumer Rights Act 2015, you’re entitled to a repair, replacement, or refund for a faulty, damaged, or incorrect item, and we’ll cover the return cost in full — you won’t be out of pocket. Contact us within 30 days of delivery for the fastest resolution; your legal rights for faulty goods continue beyond this period too.
Items we cannot accept for return
For hygiene and safety reasons, items that have been opened, used, or are not in resaleable condition cannot be returned unless faulty. Items marked “Final Sale” at purchase are also excluded unless faulty.
Your rights are not limited by this policy
Nothing here reduces your statutory rights under UK consumer law. If anything in this policy conflicts with your legal rights, your legal rights take priority.
Questions about a return?
Email support@sgislandcart.com or call +44 1372 463099, with your order number for the fastest response.
About this item
- BLUEAIR’S TOP-PERFORMING AIR PURIFIER LINE: Blue family’s new Pure Max series with our established HEPASilent performance now even better with up to 83% faster cleaning and 50% less noise*
- QUIET PERFORMANCE: Blue Pure 511i Max operates on low from only 19 db and is never louder than 48 db. With lowest fan speed and fully dimmed lights, Blue Pure 511i Max cleans your air without keeping you up at night with Night mode.
- FAST RELIEF: HEPASilent dual filtration technology delivers more clean air faster and uses less noise and energy than HEPA filtration alone** Cleans up to 43m2 living space in 30min or 18m2 as fast as 12.5min when operating on high
- CLEAN AIR: Removes at least 99.97% of tiny airborne particles like viruses and smoke down to 0.1 microns, and captures pet dander, pollen, mould, allergen and dust; carbon filter traps light household odours from smoke, pets and cooking***
- APP ENABLED: Blueair smart air purifier app scheduling, air quality monitoring, Clean Air ETA, Welcome Home geofencing and RealTrack accurate 6–9 month filter tracking technology are customisable features; Alexa voice control available
Colour Grey and White Brand BLUEAIR Product dimensions 23.8D x 23.8W x 36H centimetres Power source Electric Cable Item weight 3.2 Kilograms Power Source Electric Cable Control Method App Filter Type HEPASilent Floor Area 43 Square Meters Noise Level 48 Decibels Particle Retention Size 0.1 Micron Controller Type Mobile App Wattage 18 watts Contaminant Filtration Capability dust, odors, pet_dander, pollen Special Features HEPASilent dual filtration, RealTrack filter tracking, Night mode, Clean Air ETA Filter Class HEPASilent Software Update Supported to Date unknown Brand Name BLUEAIR Model Number BLU-110088_2 UPC 689122027388 Manufacture Year 2024 Global Trade Identification Number 00689122027388 Number of Packs 1 Manufacturer BLUEAIR Country of Origin China Item Type Name Air Purifiers Item Dimensions D x W x H 23.8D x 23.8W x 36H centimetres Item Weight 3.2 Kilograms Warranty & Support
Backed by 5-Year Extended Warranty





















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