Best Blueair Blue Pure 511 Air Purifier with Hepasilent Combination Filter in UK 2025

Updated on 23/08/2025
#1
36% Off
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  • Renowned as the top air purifier brand in the UK from 2019 to 2023 based on multiple performance awards.
  • Features upgraded HEPASilent technology for faster cleaning (up to 83% quicker) and reduced noise (50% quieter) compared to previous models.
  • Removes 99.97% of airborne particles down to 0.1 microns, including viruses, smoke, pet dander, and pollen, while also addressing light household odours.
  • Operates quietly at only 18 dB, making it ideal for bedroom use, certified by Quiet Mark.
  • Utilizes dual filtration to purify air in spaces up to 48m² in 30 minutes, or 20m² in 12.5 minutes on high speed.
  • Low energy consumption ranging from 2.5W to 20W, comparable to a light bulb.
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  • Renowned as the top air purifier brand in the UK from 2019 to 2023 based on multiple performance awards.
  • Features upgraded HEPASilent technology for faster cleaning (up to 83% quicker) and reduced noise (50% quieter) compared to previous models.
  • Removes 99.97% of airborne particles down to 0.1 microns, including viruses, smoke, pet dander, and pollen, while also addressing light household odours.
  • Operates quietly at only 18 dB, making it ideal for bedroom use, certified by Quiet Mark.
  • Utilizes dual filtration to purify air in spaces up to 48m² in 30 minutes, or 20m² in 12.5 minutes on high speed.
  • Low energy consumption ranging from 2.5W to 20W, comparable to a light bulb.
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#2
Value for Money
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  • Compact design suitable for desks and small spaces, effectively cleans areas up to 20m² in 30 minutes.
  • Lightweight and portable, measuring 17.2 by 28 cm, ideal for use in bedrooms or on desktops.
  • Operates quietly while removing at least 99.97% of airborne particles down to 0.1 micron, including dust, pet dander, pollen, and smoke.
  • Easy-to-use two-button interface for power and fan speed settings, includes child lock and auto dimming feature.
  • Evaluated for performance by the AHAM Verifide program, ensuring reliable air purification.
  • Compatible with genuine Blueair filter replacement, recommended every 6 months for optimal performance.
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  • Compact design suitable for desks and small spaces, effectively cleans areas up to 20m² in 30 minutes.
  • Lightweight and portable, measuring 17.2 by 28 cm, ideal for use in bedrooms or on desktops.
  • Operates quietly while removing at least 99.97% of airborne particles down to 0.1 micron, including dust, pet dander, pollen, and smoke.
  • Easy-to-use two-button interface for power and fan speed settings, includes child lock and auto dimming feature.
  • Evaluated for performance by the AHAM Verifide program, ensuring reliable air purification.
  • Compatible with genuine Blueair filter replacement, recommended every 6 months for optimal performance.
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#3
30% Off
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  • Recognized as the leading air purifier brand in the UK, with multiple performance awards from 2019 to 2023.
  • Removes 99.97% of airborne particles, including viruses, smoke, pet dander, and dust, while a carbon filter traps light household odors.
  • Operates quietly at 24 dB, making it suitable for bedrooms and promoting restful sleep.
  • Cleans air efficiently with HEPASilent technology, refreshing a 16 m² room in about 12.5 minutes or a 38 m² space in 30 minutes.
  • User-friendly design with a simple two-button control and three fan speeds, including a night mode for quieter operation.
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  • Recognized as the leading air purifier brand in the UK, with multiple performance awards from 2019 to 2023.
  • Removes 99.97% of airborne particles, including viruses, smoke, pet dander, and dust, while a carbon filter traps light household odors.
  • Operates quietly at 24 dB, making it suitable for bedrooms and promoting restful sleep.
  • Cleans air efficiently with HEPASilent technology, refreshing a 16 m² room in about 12.5 minutes or a 38 m² space in 30 minutes.
  • User-friendly design with a simple two-button control and three fan speeds, including a night mode for quieter operation.
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#4
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  • Top-performing air purifier from Blueair with improved HEPASilent technology, achieving faster cleaning and reduced noise levels.
  • Operates quietly, with a low noise level of 19 dB, and maximum noise of 48 dB, ideal for use at night without disruption.
  • Utilizes HEPASilent dual filtration for efficient air cleaning, covering up to 43m² in 30 minutes or 18m² in just 12.5 minutes on high setting.
  • Effectively removes 99.97% of airborne particles, including viruses, smoke, pet dander, and allergens, while the carbon filter mitigates household odors.
  • Smart features include app-based scheduling, air quality monitoring, and Alexa integration for voice control.
  • User-friendly design with a clear display, color-coded AQI, and simple controls for fan speed, night mode, auto mode, and child lock.
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  • Top-performing air purifier from Blueair with improved HEPASilent technology, achieving faster cleaning and reduced noise levels.
  • Operates quietly, with a low noise level of 19 dB, and maximum noise of 48 dB, ideal for use at night without disruption.
  • Utilizes HEPASilent dual filtration for efficient air cleaning, covering up to 43m² in 30 minutes or 18m² in just 12.5 minutes on high setting.
  • Effectively removes 99.97% of airborne particles, including viruses, smoke, pet dander, and allergens, while the carbon filter mitigates household odors.
  • Smart features include app-based scheduling, air quality monitoring, and Alexa integration for voice control.
  • User-friendly design with a clear display, color-coded AQI, and simple controls for fan speed, night mode, auto mode, and child lock.
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#5
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  • Replacement filter compatible with Blue 411 and Blue 3210 Air Purifier
  • HEPASilent Technology captures 99.97% of particles as small as 0.1 microns
  • Eco-friendly 100% recyclable filter
  • Designed for a lifespan of 6 months
  • Filter fibers inhibit the growth of bacteria and mold
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  • Replacement filter compatible with Blue 411 and Blue 3210 Air Purifier
  • HEPASilent Technology captures 99.97% of particles as small as 0.1 microns
  • Eco-friendly 100% recyclable filter
  • Designed for a lifespan of 6 months
  • Filter fibers inhibit the growth of bacteria and mold
#6
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  • Replacement filter compatible with Blue 221 Air Purifier.
  • HEPASilent Technology captures 99.97% of particles as small as 0.1 microns.
  • Fully recyclable design.
  • Lasts up to 6 months under normal use.
  • Filter fibers inhibit the growth of bacteria and mold.
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  • Replacement filter compatible with Blue 221 Air Purifier.
  • HEPASilent Technology captures 99.97% of particles as small as 0.1 microns.
  • Fully recyclable design.
  • Lasts up to 6 months under normal use.
  • Filter fibers inhibit the growth of bacteria and mold.
#7
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  • Premium replacement filter compatible with Blueair Blue Pure 511.
  • Includes a 2-in-1 H13 True HEPA and activated carbon filter, pack of 2.
  • Effectively eliminates household odors, smoke, fumes, and VOCs, beneficial for pet owners and smokers.
  • Captures at least 99.97% of 0.3-micron airborne particles, including dust and pollen, using static charge technology.
  • Recommended replacement every 6-12 months based on air quality and usage for optimal performance.
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  • Premium replacement filter compatible with Blueair Blue Pure 511.
  • Includes a 2-in-1 H13 True HEPA and activated carbon filter, pack of 2.
  • Effectively eliminates household odors, smoke, fumes, and VOCs, beneficial for pet owners and smokers.
  • Captures at least 99.97% of 0.3-micron airborne particles, including dust and pollen, using static charge technology.
  • Recommended replacement every 6-12 months based on air quality and usage for optimal performance.
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#8
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  • Replacement filter compatible with Blueair air purifiers
  • Removes airborne particles and pollutants
  • Maintains clean indoor air
  • User-friendly installation and replacement
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  • Replacement filter compatible with Blueair air purifiers
  • Removes airborne particles and pollutants
  • Maintains clean indoor air
  • User-friendly installation and replacement
#9
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  • Full-width single print design with black back sheet and sleeves.
  • Crafted from 100% soft polyester for comfort and versatility.
  • Unique 3D printing pattern with contrasting collar sleeve design for a fashionable look.
  • Suitable for various occasions including outdoor activities, parties, and daily wear; easily pairs with jeans, shorts, pants, or skirts.
  • Ships within 3 days with a delivery time of 8-15 working days.
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  • Full-width single print design with black back sheet and sleeves.
  • Crafted from 100% soft polyester for comfort and versatility.
  • Unique 3D printing pattern with contrasting collar sleeve design for a fashionable look.
  • Suitable for various occasions including outdoor activities, parties, and daily wear; easily pairs with jeans, shorts, pants, or skirts.
  • Ships within 3 days with a delivery time of 8-15 working days.
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#10
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  • Compatible exclusively with Blueair Blue Pure 511 Air Cleaner Purifier.
  • Includes 2 packs of 511 2-in-1 HEPA-carbon replacement filters for cost-effective maintenance (fabric pre-filter not included).
  • Features H13 true HEPA filter that captures 99.97% of airborne particles as small as 0.3 microns, including pet dander and pollen.
  • Activated carbon filter effectively absorbs odors, including pet and cooking smells, smoke, and VOCs.
  • Recommended filter replacement every 6-12 months based on usage conditions.
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  • Compatible exclusively with Blueair Blue Pure 511 Air Cleaner Purifier.
  • Includes 2 packs of 511 2-in-1 HEPA-carbon replacement filters for cost-effective maintenance (fabric pre-filter not included).
  • Features H13 true HEPA filter that captures 99.97% of airborne particles as small as 0.3 microns, including pet dander and pollen.
  • Activated carbon filter effectively absorbs odors, including pet and cooking smells, smoke, and VOCs.
  • Recommended filter replacement every 6-12 months based on usage conditions.
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