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Blueair 203 Slim SmokeStop Air Purifier

Regular price: £255.01
Our price: £255.00 (inc. VAT)
Next day dispatch
In stock

Quick Overview

  • Ideal for Small Rooms
  • Additional Gas & Odour ControlSlim DesignUltra Quiet Mechanical/IonisationBest Performance in its Price RangeEnergy Star Rated
Blueair 203 Slim air purifier SmokeStop

More Views

  • Blueair 203 Slim air cleaner SmokeStop
  • Blueair 203 Slim Air Cleaner
  • Blueair 203 Air Cleaner SS

The Blueair 203 Slim SmokeStop Air Purifier offers particle as well as gas, chemical and odour filtration. The 203 SmokeStop air purifier is the same model as the regular 203, but comes with a SmokeStop Filter instead of the Particle Filter. Due to the additional layer of carbon, the air flow of the unit is approximately 5-10% less then the regular Blueair 203 air purifier. As all other 200 series Blueair air purifiers, this air cleaner is ideal for small rooms and offices.

The Blueair 203 SmokeStop air purifier uses Blueair’s 'HEPASilent' filter technology. Please note, "HEPASilent" is not actual 'HEPA' filtration but a combination of a mechanical mesh filter and ionisation. The purifier also has an Energy Star-rated fan to clean air faster, and with less noise than most other units in its class. The 203 SmokeStop is effective in removing a large range of particle pollution, such as pet dander, dust mite allergens, pollen and mould spores, as well as smoke, odours and other airborne gases.

The 203 SmokeStop Slim model is designed for those who want more control over their indoor air quality and who want to breathe cleaner, healthier air at an affordable price.

  • Hay-Fever
  • Pet Allergens (cat, dog, horse etc.)
  • Pollen
  • Heavy Dust
  • Fine Dust
  • Dust Mite Allergens

City Pollution
  • Smog
  • Transportation (cars, trains, planes)
  • Industry Pollution

  • Bacteria
  • Viruses
  • Fungal Spores

Light Gases & Fumes
  • Paints
  • Varnishes
  • Adhesives
  • Formaldehyde
  • Building Material

Light Odours
  • Pet Dander (cats, dogs etc.)
  • Cooking Odours
  • Musty Smells
  • Tobacco Smoke

Please note: the 0.9Kg of activated carbon in the Blueair 203 SmokeStop air purifier, will not be able to deal with strong high levels of gas, chemical contamination.


A combination technology of mechanical filtration and ionisation. Actual filtration efficiency depends on speed setting and filter life.

Airflow Rate: Speed 1 - 100 m3/h
Speed 2 - 150 m3/h
Speed 3 - 220 m3/h
Room Size: Small Rooms
Decibel Levels: Speed 1 - 32 dBA
Speed 2 - 42 dBA
Speed 3 - 56 dBA
Dimensions(without/ with packaging) : 53 x 44 x 21 cm; 61 x 50 x 320 cm
21 x 17 x 9 in; 25 x 20 x 13 in
Power Usage: 20 to 80 watts
Weight (without/ with packaging) : 12 kg; 36 lbs
14 kg; 40 lbs
Wi-Fi: No
Remote Control: No
Auto mode: No
Castors No
Accessories No
Air Quality Monitor No
On/off timer: No
Filter Service Life: According to the manufacturer the filter should be replaced after 6 month.
Replacement Filters: Blueair 200 Series Filter or Blueair 200 Series SmokeStop Filter
Electronic sensor with remote: No
Filter replacement indicator: No
Speed control options Yes, manual dial with three speed settings.
Air outlet: Top
Air inlet: Back
Warranty 5 year manufacturer warranty
Country of Manufacture: China

  • 1. Easy to Operate
    The speed settings on the Blueair 203 SmokeStop air filter does not have the digital display system and remote control of the 270E model. The speed settings are changed manually at the front of the unit.
  • 2. & 3. Ultra Quiet
    Just as the 270E, the Blueair 203 SmokeStop air purifier uses Blueair’s patented HEPASilent technology. This filtration technology is a combination of mechanical and ionisation, and allows the Blueair 203 SmokeStop to deliver more clean air at a faster rate with less noise than many other domestic air purifier in its class. Blueair’s HEPASilent technology also allows the Blueair 203 SmokeStop to have exceptionally low energy consumption.
  • 4. Design & Durability
    The Blueair 203 SmokeStop air cleaner has the sleek and contemporary look. It is built with a galvanised steel housing that is impact resistant and easy to clean.

Below is a comparison table which shows what the differences are between the Blueair 200 series range of air purifiers.

The Blueair 203 Slim SmokeStop air purifier, as with all other Blueair air purifiers, uses a Three-Stage Progressive Filter – a filter that resembles having many filters in one. The filters consist of non-toxic polypropylene media that is free of harmful triclosan and glass fibers, with an added layer of active carbon to remove smoke, odours and other airborne gases.

The filter is made up out of three different levels of millions of ultra thin fibers, and with its ‘lock-in’ design, once captured the particles are not re-released back into your environment, even when the filter is heavily loaded. The first layers capture larger particles such as PM2.5, PM10,

pollen and large dust, and the later layers capture smaller particles like bacteria and exhaust particles.

Regular air purifier filters for exmaple are thinner and mostly consist of the same fiber size and material throughout, this leads to them clogging up sooner. However, the unique design of the Blueair 203 Three-Stage Progressive Filter prevents it from premature loading, and allows the 203 SmokeStop air purifier to have a filter life of up to 6 months.

The filter of the 203 SmokeStop air purifier includes 0.9kg of activated carbon for odour and gas filtration. This addition to the regular particle filter helps to control light gaseous contamination such as small amounts of cigarette, or VOCs (Volatile Organic Compounds) such as those found in household paints. Please note, however, that the Blueair 203 SmokeStop air purifier is a domestic air cleaner and as such, not able to cope with high levels of chemical, gas or odour issues.

When the filter needs to be replaced (around every six months), just open the lid, take out the old filter and put the new one in. No screws, hooks or tools are needed.

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5 Average

5 Reviews

Yang Z

Blueair 203 Slim SmokeStop Air Purifier

Works well

Posted 7 months ago

Alan C

Blueair 203 Slim SmokeStop Air Purifier

Extremely quiet and air definitely fresher and clearer.

Posted more than 1 year ago

Janey B

Blueair 203 Slim SmokeStop Air Purifier

I had spent a long time considering whether to buy an air purifier - I found the information on the allergy-cosmos website helpful in making a choice. No regrets about my choice. I live with a smoker and have found the air much cleaner while running this. It is also very quiet and almost silent on lowest setting.

Posted more than 1 year ago

Oliver C

Blueair 203 Slim SmokeStop Air Purifier

This machine is very well built and sturdy, the noise levels are fine, and it is doing a great job dealing with cat allergens, dust and smells in our house.

Posted more than 1 year ago

Zhao F

Blueair 203 Slim SmokeStop Air Purifier

The first night of good sleep without the annoying second-hand smoke from the neighbor. Excellent.

Posted more than 1 year ago