The Sqair Air Purifier – Chemical Warfare

5.00 out of 5
(10 customer reviews)

৳ 17,500.00

In stock

The Sqair is the world’s most cost-effective air purifier. The Sqair packs a CADR of 315m3/hr, all packed into a sleek, modern design. Never before has clean air looked so good. The Sqair Chemical Warfare comes with an additional carbon filter (next to the HEPA) which filters harmful VOCs, odors, and smoke.



Sqair Air Purifier – Chemical Warfare

Treat your body right, experience the cleanest air in the world.



What Makes The Sqair Special?

As a B-corp social enterprise helping the world breathe clean air, we designed the Sqair because we were tired of the gimmicks and BS from current air purifier companies. The Sqair gives you far more clean air at a fraction of the cost of the purifiers from those “big guys”.

How did we do this? We cut out the fancy marketing gimmicks such as ionizers and photocatalytic filters that science shows can actually make your air worse. We designed the Sqair for performance, not marketing ploys. The Sqair is data-backed and is excellent at one thing: cleaning air. And it does that better than its competition.

The Most Powerful Purifier In Its Class

Packing a powerful clean air delivery rate (CADR) of 315m³/hr, the Sqair generates more clean air than its competition. The Sqair is suitable for spaces up to 40 m² (430 sqft), the space of two large bedrooms.

Cleans a 40m2 room in just 25 minutes.

One of the Quietest Purifiers on the Market

On high, it sounds like soft rainfall. This is up to 13 decibels quieter than the hugely popular Xiaomi purifier, yet provides more clean air and costs less.

Blows the Competition Out of the Water on Both Price and Effectiveness

The Sqair gives you the most clean air per dollar of any purifier in the world. And it’s not really close.

More Clean Air, at a Fraction of the Price.

Captures over 95% of Viruses, Bacteria, PM2.5 and Other Dangerous Pollutants

Watch the pollution collect in your filter (instead of your lungs) and enjoy experiencing the cleanest air in the world.


(included in Chemical Warfare pack)



Paint odour


H12 HEPA (99.5%)







*The carbon filter is an optional add-on. Not everyone needs carbon, so we let air-breathers choose whether they want carbon or not.

You’re currently viewing The Sqair — Chemical Warfare

If you don’t need to filter chemicals, grab the The Sqair Standard pack »

Sqair + H12 HEPA
Chemical Warfare
Sqair + H12 HEPA + Carbon

PM2.5, dust, allergens, viruses

PM2.5, dust, allergens, viruses

Chemicals, VOCs, odours, smoke

Chemicals, VOCs, odours, smoke

BDT 16,500
BDT 17,500

Three Things You Must Know About The Sqair:

1 Minimalist clean air

Simple 1 – 2 – 3 speed control for easy on-off

Sqair Minimalist European design
No hype, no markup   2

Clean air for an honest price. Crafted to increase effectiveness and lower cost

The Sqair gives no hype, no markup, just clean air
3 Simple and elegant

It looks the part. Warm and cozy European beechwood legs.

Sqair Simple Elegant design



Smart Air Sqair air purifier specifications
Your Purchase Includes 1 × Sqair Chemical Warfare Air Purifier (includes 1 × H12 HEPA Filter, 1 × Activated Carbon Filter), 1 × Detachable cord, 1 × Smart Air Handbook
Colour Matte White
Dimensions L × W × H (cm) 33 × 33 × 37
CADR (m3/h)* 65 – 180 – 315 (low – mid – high)*
Noise Level (dB) 23 – 43 – 52 (low – mid – high)
HEPA Lifespan 3 months (950hrs, running 8hrs per day in Bangladesh)
Power Consumption (W) 6 – 18 – 38 (low – mid – high)
Power Supply 220 – 240V/50-60Hz/ Plug type:
Safety Certifications Smart Air purifier CE safety certificateSmart Air purifier CQC safety certificateCE Certified (LVD/EMC/RoHS) | CQC | GB/T 18801-2015 Certified
Recommended Room Size Up to 430 sqft (40m2)
Shipping Weight 6.3kg
Product Manual Click to view the Sqair Manual
*Carbon filter: Top CADR 190m³/h, Airflow 480m³/h (note that if you choose not to replace the carbon filter as you no longer have a need for it, the spec will be as shown in the main table for the HEPA version)

Which Air Purifier Should I Buy?

Choosing the right air purifier can be difficult for first-time buyers. Here’re some important things to consider:

1. Know Your Purpose

Do you have any particular needs? HEPAs are enough for allergies and asthma, but recent renovation may require a carbon filter.

2. Know Your Size

The Sqair purifier is ideal for bedrooms, but larger spaces like offices or hospitals may require the more powerful Blasts.

3. Know the Costs

The main costs of air purifiers are filter replacements. Different purifiers have different HEPA lifespans and costs.

Smart Air Family

DIY1.1 Sqair Blast Mini Blast
Room Size










Max Noise





HEPA Lifespan 2 months 3 months 12 months 15 months
Warranty 1 year 2 years 2 years 2 years

The Sqair FAQs

Are Smart Air purifiers better than other air purifiers?

Smart Air purifiers use the same cleaning principle as most other air purifiers. The technology behind air purifiers is not complex, and readily available. However, Smart Air is the only air purifier company committed to transparent communication through open-data. We avoid overcomplicating our air purifiers with high markups and marketing gimmicks. Smart Air purifiers are honest, data-backed, and streamlined to do one thing: clean air.

What room size is suitable for the Sqair?

The Sqair is recommended for rooms 40 square meters (430 sq ft) in area or smaller. Even in a 40 square meter room, the Sqair is able to clean all the air in the room over 3 times in just 1 hour on high.

For larger areas, consider multiple Sqairs or one of Smart Air’s professional air purifiers (the Blast or Blast Mini), which have a higher Clean Air Delivery Rate (CADR).

Why does the Sqair not have a pre-filter?

After conducting tests, we found that adding a pre-filter will reduce the CADR. Additionally, if the pre-filter is not replaced in time, it will cause the purifier to be louder and effectiveness to lower. Since the pre-filter will add trouble to the user, we decided not to add a pre-filter in the Sqair..

What is the difference between the Sqair Chemical Warfare and the Sqair?

Both models of the Sqair include a HEPA filter, which is extremely effective at removing particles (allergens, viruses, dust, PM2.5, etc) from our air. The Chemical Warfare version also includes an activated carbon filter (in addition to the HEPA filter) which helps reduce odors and dangerous VOCs gas in the air.

Smart Air’s range of carbon filters absorb VOC’s (Volatile Organic Compounds) such as formaldehyde, paint thinners, petroleoum fuels, or dry cleaning agents. Carbon filters also remove odors.

Learn which filters you need in our in-depth guide on air purifier filters.

How Long Can a Sqair Last?

The Sqair is incredibly simple. This simple design means it’s built to last. When designing The Sqair, we stress-tested multiple Sqair’s by running them continuously for 10,000 hours on ‘high’. We’re confident The Sqair can last at least 10,000 hours, and normally even longer.

How to know when it is time to replace the Sqair’s HEPA filter?

We recommend replacing the HEPA filter every 3 months in Bangladesh. But the truth is the exact time depends on many factors such as the amount of hours used and local pollution levels. The most accurate way to determine when to replace a HEPA filter is to use an air quality monitor. Learn More: How to use an air quality monitor to test a HEPA filter.

How can I protect myself from the high air pollution levels in Bangladesh?

Bangladesh, and especially Dhaka, has one of the highest air pollution levels in the world. During the winter season it is common for AQI to average between 200 (very unhealthy) and 300 (hazardous). Outdoor air pollution drastically affects air purifier performance – even when used indoors. When outdoor air pollution is bad, purifiers achieve a smaller percentage reduction and it becomes harder to reach safe levels indoors.

In order to breathe safe in Bangladesh we recommend “overpowering” the air pollution by: (1) using a second purifier, or (2) buying a machine that is rated for an even bigger room.

Additional information

Weight 4.3 kg
Dimensions 33.3 × 33.3 × 36.5 cm

Bedroom/Kid’s Room, Living Room


Allergies, Dust & Pollen, Gases & VOCs, Pet Dander & Hair, PM2.5 Air Pollution, Smoke & Odours, Virus & Bacteria

10 reviews for The Sqair Air Purifier – Chemical Warfare

  1. 5 out of 5

    Shaz (verified owner)

    Excellent product at an affordable price. Works really well, since moving to Dhaka the Sqair has made a noticeable difference to the air quality inside our home. We have 2 and rotate them from the living rooms to the bedrooms so they are running 24 hours without issue.

  2. 5 out of 5

    Dave (verified owner)

    Despite the necessity of air purifiers in many places, but especially Dhaka, the availability of good quality ones are somewhat limited. The Sqair is a great option and Smart Air are professional to deal with. Our Sqair has significantly improved our quality of life. We will be purchasing two more very soon to completely cover our home.

  3. 5 out of 5

    Scott Ciener (verified owner)

    Works great and very quiet. I would certainly buy it again.

  4. 5 out of 5

    Fawaz (verified owner)

    They’re good-looking and so quiet at the lowest setting I often forget they’re on!

  5. 5 out of 5

    Takbir (verified owner)

    One of the best purchases I’ve ever made. It makes me happy every time I step into my room. I have this and an AC running and it always smells good whenever I walk into my room. Also, I don’t have to worry about dusts pilling up on surfaces anymore. 🙂

  6. 5 out of 5


    I am very happy with this air filter. I purchased two Sqairs, one for my home-based Pilates studio and one for a bedroom. Very easy to assemble and operate, love the size and style, and I love the mission of the company.

  7. 5 out of 5


    So effective. Have cleared the air after burning some food when cooking and monitored the air quality improvements with my Purple Air monitor (significant improvements with SQAIR). Quickly cleans the air on the highest setting and the fan sound is not too disruptive (though certainly audible on the top setting).

  8. 5 out of 5


    Just got the air purifier a few days ago and so far it seems to be working well and it looks and feels like a well-manufactured product. One thing that slightly bothers me is the plug doesn’t seem to follow and modern polarization, it seems like something you would find on a very old appliance. I also expected the carbon filter to be bigger, otherwise, I think it has been a great purifier so far and has been working well!

  9. 5 out of 5


    I have a low tolerance for noise, but I don’t notice the sound of the lowest setting at all! Number two is also fine for me. I live in a very polluted area and the Squair cleans the air well. Thanks

  10. 5 out of 5


    Got the SQAIR last week. It’s a great product to have. With this we are at peace knowing that we are breathing clean air indoors. It is worth every paisa (penny).

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Smart Air is a social enterprise that creates simple, no-nonsense air purifiers and provides free education to protect people’s health from the effects of air pollution. We are proud to be the only certified B-Corp dedicated to fighting air pollution.

Certified B-Corp air purifier company