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:quality(90)/https://www.sleepsolutions.com.au/media/catalog/product/s/i/signature-dark-blue-7_1.jpg "Blueair Blue Signature SP4i Air Purifier Dark Blue")
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Blueair Blue Signature SP4i Air Purifier
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Blueair Blue Signature SP4i Replacement Filter
$119.00
- Suitable for bedrooms up to 67 m2
- 7 stages of filtration removes 99.97% of airborne particles
- 10x more odor removal with OdorFence Technology
- Dynamic display that auto-adapts to enhance your air
- Double the filter lifetime thanks to our patent-pending filter design
- Smart features in the highly rated, newly improved Blueair app
- Operates on low at 23dB, and is never louder than 55dB
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Blueair Blue Signature Air Purifier
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The most powerful, compact air purifier you can get
Meet Blueair Blue Signature™ - the next generation of clean air innovation, Engineered to perform, designed to Impress. This powerful air purifier combines advanced 7-stage filtration with patented HEPASilent™ and OdorFence™ technologies to remove 99.97% of airborne particles down to 0.1 microns.
Using BIO-based enzymes and minerals, it breaks down gases and odors at the molecular level—delivering up to 10X* better odor removal than standard carbon filters. Engineered with Surround Boost™ airflow, Blue Signature™ doubles purification efficiency while maintaining a compact, Swedish-inspired design that also functions as a stylish side table.
A motion-activated dot matrix display comes to life as you approach, providing glanceable air quality insights with real-time animations. Personalize your experience with multiple optional accessories.
Easily control settings, track air quality trends, and schedule cleanings via the connected app. Night Mode and Auto Mode ensure clean air without the noise or hassle, while the quick-swap filter and easy-to-clean surfaces make maintenance a breeze. 3-year limited warranty. Designed for clean air. Built for everyday living.
- Rapidly cleans 67 m² in 12.5 minutes
- 7 stages of filtration removes 99.97%² of airborne particles
- 10x³ more odor removal with OdorFence Technology
- Dynamic display that auto-adapts to enhance your air
- Double the filter lifetime thanks to our patent-pending filter design
- Smart features in the highly rated, newly improved Blueair app
- Device comes with 1 pre-filter in Nordic Fog and 1 Particle & Carbon filter
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Motion activated touchscreen display
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Accurate filter lifetime tracking
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Doubles as a table-top
Why choose Blue Signature?™
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The Blueair Blue Signature delivers top-tier air quality with advanced HEPASilent filtration, smart connectivity, odour-breaking technology and quiet, energy-efficient performance.
Designed for large living spaces and everyday use, it's an excellent choice for healthier indoor environments with less dust, smoke, allergens and smells - while also integrating seamlessly into your home decor and routine.
Who This Is Best For?
This air purifier is ideal for Australians seeking powerful large-space air cleaning, allergy and smoke reduction, and odour control without sacrificing quiet operation or smart features.
It's well suited for large houses, open-plan living areas, family rooms, high-traffic indoor spaces, and pet-friendly homes looking to greatly improve indoor air quality.
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Accurately track
✔APP CONTROL & VOICE ASSISTANT
Customize settings, schedule cleanings, track indoor and outdoor air quality trends over time, and get filter replacement alerts—all from your phone. Compatible with Amazon Alexa and Google Home.
✔AUTO FRESH MODE
Advanced laser sensors monitor air quality in real time and automatically adjust fan speed to keep your air fresh all day. Learns your routines and adapts to your needs over time.
A little maintenance, a lot of comfort
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✔EASY MAINTENANCE
Built for everyday convenience with a quick-swap, patent-pending filter that's easy to replace—no tools, no hassle. Double the filter life thanks to our innovative design, with RealTrack technology that monitors actual usage and alerts you when it's time to replace.
✔DOUBLES AS TABLE
Sleek, Swedish-inspired design with a flat top surface that functions as a side table. Lightweight and compact, with optional accessories to personalize and complement any home decor.
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Superior Filtration
✔7-STAGE HEPASILENT FILTRATION
Dual filtration captures 99.97% of airborne particles down to 0.1 microns—including smoke, dust, and allergens—using mechanical and electrostatic technology. Surround Boost airflow and the OdorFence filter enhance whole-room purification by breaking down odors, gases, and VOCs with low noise and energy use.5
✔ODORS BLOCKED
OdorFence Technology uses bio-based enzymes and minerals to break down odors and gas molecules, removing up to 10x more odor.
✔ENERGY-EFFICIENT PERFORMANCE
Engineered to deliver powerful purification with minimal energy use, operating quietly and efficiently to help reduce electricity consumption without compromising performance.
Smartest Display
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✔INTERACTIVE DISPLAY
Premium dot matrix screen with top-facing controls detects motion and wakes automatically as you approach. Playful animations reflect active settings—like a dancing moon in Night Mode—making air quality more intuitive and engaging.
✔GLANCEABLE AQI
Discreetly built into the air outlet, the front air quality indicator displays real-time pollution levels with 5 easy-to-read colors—from excellent (blue) to poor (red)—plus a subtle animation when it's actively cleaning.
Smart control in the highly rated & newly upgraded Blueair app
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Effortlessly take control of your air
Select a fan speed, let auto or night mode take over & keep settings secure with display lock.
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Smart filter lifetime tracking
Tracks the filter lifetime based on pollutant levels and alerts you when it's time to replace your filter.
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Customize schedules to fit your lifestyle
Set your preferred times for enhanced air purification, so you can wake up to fresh air, keep your home clean during peak hours, and save energy when you're away.
How to use Blue Signature™?
Technical Specifications
| Dimensions(HxWxD) | 43.7 cm x 39.3 cm x 36.6 cm |
| Product Weight | 6 kg |
| Energy Consumption | 3.5-42 W |
| Sound level | 23-55 dB |
| Air outlet | Side |
| Recommended room size | 67 m2 |
| Clean air delivery rate (CADR) | 758 m3/h |
| Number of filters | 1 |
| Speed control options | 1 - 2 - 3 - 4 - Auto - Night |
| Wi-Fi connectivity for remote control | Yes |
| On/ off timer | Yes, via Blueair App |
| Integrated air sensors | Yes |
About Blueair
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Blueair was founded on the firm belief that freedom to breathe is a basic right. Over two decades ago, Blueair's Swedish founder set out to make the world's best air purifier. By bringing together a team of talented designers and filtration experts who shared his passion for sustainability, quality and design, the Blueair air purifier was born.
Today, Blueair's award-winning air purifiers which combine superior performance and low noise with timeless Scandinavian design, improve the health and well-being of people in over 60 countries around the world. Since 2016, Blueair is a proud member of the Unilever family of brands.
Manufacturer's Specifications
| Type | Machine |
|---|---|
| Coverage Area (m2) | Up to 67 m2 |
| Power | Mains Powered (230-240V, 50Hz) |
| Filter Replacement Frequency | 6 - 12 Months |
| Energy Consumption (W) | 3.5-42 W |
| Clean Air Delivery Rate (m3/h) | 758 m3/h |
| HEPA Filter | HEPASilent Filter Technology |
| Weight | 6 kg |
| Noise Level | 23-55 dB |
| Carbon Filter | Particle & Carbon Filter |
| Timer and Speed Controls | 1 - 2 - 3 - 4 - Auto - Night |
| Dimensions (cm) | 43.7 cm x 39.3 cm x 36.6 cm |
| Inclusions | Device comes with 1x Blueair Blue Signature Air Purifier, 1x pre-filter in Nordic Fog and 1x Particle & Carbon Filter |
| Manufacturer's Warranty | 3 years |
| Other Air Purifiers | Air Purifiers |
| Manufacturer | Blueair |
| Category | Air Quality |
How to Order - More Information
Sleep Solutions is registered as a provider with the NDIS (National Disability Insurance Scheme)
Customer Reviews
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Sleep Solutions
4.7
(962 reviews)
Top Quality Store
What people are saying
5 | 87% | |
4 | 7% | |
3 | 2% | |
2 | 1% | |
1 | 3% |
A
Sound and vibration is good but useless because of the wires, when children did sleep moving it became displaced so not working
A
Very effective efficient shopping process, easy ordering prompt delivery.
P
We purchased replacement filters for our two ION Pro Air Purifiers. We couldn’t have been happier with the service from Sleep Solutions. Customer service was first rate and our filters were dispatched the same day. They were beautifully packed for travel so that they were not damaged and they arrived in super fast time. Definitely could not fault this service.
Hsopping is always easy but the delivery people are horrendous. Special when they are delivering to people with a disability...Had to go out to the post office for every single delivery and find away to bring the stuff home...I AM DEAF & vision impaired. So it seems that I'm never home for Sleep Solutions delivery people. All other deliveries I am weird....
A
Great quick service and very competitive prices.
A
Easy to Order. Quick delivery. Product as described
R
Bought 2 Cabeau Travel pillows for our up coming long haul flight. Quality and support of pillow is exactly as product description. Love how it easily folds into its own travel bag. Ease of ordering with a fast delivery .
A
Delivery was prompt but had to spend so long and several attempts to find where .to order on line. If I have to do this every 6 months I would like to think it could be as simple as other online shopping experiences.