★★★★★

Is this the best air purifier in the world?

 | Hear what Sebastian (Germany) has to say about the Luggable
Featured Review

I have been using your air purifier for two months now, and it is amazing. I have three other air purifiers, and none of them are even close to being as quiet as this one. They are all louder and create too much noise for a family celebration or a team meeting. Your device is the only one that can be practically placed in the room without disturbing anyone. It also looks good and fits into almost any room. The power supply via USB with a power bank works very well. I am very happy and constantly recommend it!

Inzwischen habe ich euren Luftfilter seit zwei Monaten im Einsatz und er ist großartig. Ich habe noch drei andere Luftfilter, keiner davon ist auch nur annähernd so leise wie dieser hier. Die sind alle lauter und machen zu viel Lärm für eine Familienfeier oder ein Team-Meeting. Euer Gerät ist das Einzige, was man sinnvoll mit in den Raum stellen kann, ohne dass es jemanden stört. Noch dazu sieht es gut aus, passt in fast jeden Raum rein. Die Stromversorgung über USB mit einem Powerpack funktioniert auch sehr gut. Ich bin sehr glücklich und empfehle den ständig weiter!

Ultra Quiet Great Design USB Portable Highly Recommended S Sebastian | Germany Verified Customer
See the Luggable XL →

And what real owners say

It’s crazy effective at cleaning out particulates. I got a PM2.5 sensor and my living room is cleaned in about 15 minutes. Also, the sound helps me sleep!
Codrin · Romania Verified buyer
Luggable 5-Fan
Thanks for taking the time and the explanation, and the good service. I have had the Luggable Carbon functioning for a few days and am really happy with it.
Eneko · Spain Verified buyer
Luggable Carbon & XL

See the Luggable XL →

EnergyStar Most Efficient 2026 - Clean Air Kits

Why Choose Us

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Filtration Rate

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dB — whisper-quiet

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Day Returns

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Day Shipping

Hospital-grade protection for every room — trusted by homes, schools & offices across the UK & Europe.

UK: free delivery from Oxford in 2–3 days. Europe: buy as in your own country — no customs, no import tax, delivered to your door.

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Choose the Right CleanAir Solution for Your Space

Compare Luggable models and filters side-by-side to understand airflow, coverage, and compatibility and pick the setup that performs best for your environment.

Filter Size
Fan Count
Airflow / Coverage
ACH Improvement
Noise Level
Warranty
Most Compact
Luggable 5-fan model

Luggable 5-fan model

Perfect for small to medium rooms

$
Filter Size
16×25×1
Fan Count
5 Fans Compatible
Airflow / Coverage
~300–350 sq ft
ACH Improvement
2× to 3× (depending on room)
Noise Level
Under 35 dB
Warranty
1 Year
View Product
High Output
Luggable — 7-Fan XL

Luggable — 7-Fan XL

Ideal for larger rooms

$$$
Filter Size
20×25×1
Fan Count
7 Fans Compatible
Airflow / Coverage
~450–550 sq ft
ACH Improvement
3× – 4× ACH improvement
Noise Level
~20–35 dB (speed control)
Warranty
1 Year Warranty
View Product
MERV 13
3M Filtrete MERV13 Filter — 16×25×1

3M Filtrete MERV13 Filter — 16×25×1

For the 5-Fan Luggable

$
Filter Size
16×25×1
Fan Count
5-Fan Compatible
Airflow / Coverage
High Airflow
ACH Improvement
Replace every 3-6 months
Noise Level
Ultra-low noise
Warranty
Buy Now
MERV 13
Luggable Ultra XL — High Output 7-Fan Air Purifier

Luggable Ultra XL — High Output 7-Fan Air Purifier

For the 7-Fan Luggable

$
Filter Size
20×25×1
Fan Count
7 PWM Fans
Airflow / Coverage
Approx. 600–750 sq ft
ACH Improvement
4× – 6× ACH (room dependent)
Noise Level
~20–35 dB (speed control)
Warranty
1 Year
Buy Now
Next Gen Corsi-Rosenthal Technology

Air Purifiers That Actually Run 24/7

So Quiet You'll Forget They're On

"PC fans are the future of portable air cleaners. Noise is the problem and these are the solution."

— Joey Fox, HVAC Engineer & IAQ Chair, OSPE

Trusted by Air Quality Professionals

HVAC engineers, university deans, and aerosol scientists recommend our technology

HVAC Expert

"PC fans are the future of portable air cleaners. For those who don't want to completely DIY it, you can buy the frame and instructions from Clean Air Kits."

Joey Fox

HVAC Engineer, Ontario Society of Professional Engineers

HVAC Engineer

"I'm now a convert to PC fan CR boxes. The airflow and noise levels are incredibly impressive, especially for everyday spaces. These are unbelievably quiet."

Joey Fox

IAQ Chair, Ontario Society of Professional Engineers

Box Co-Inventor

"I am thrilled to be part of something that is so accessible to people around the world, helping to protect children in school and families in their homes."

Richard Corsi, PhD, PE

Dean of Engineering, UC Davis

Aerosol Scientist

"They are very powerful, and they work. Even wildfire smoke — this filter is going to pull that out of the air too."

Kim Prather, PhD

Distinguished Professor, UC San Diego

Aerosol Scientist

"Standalone HEPAs or Corsi-Rosenthal boxes are an effective way to reduce airborne virus exposure. Filtering viruses out of the air lowers the chance of inhalation — simple logic."

Kim Prather, PhD

Director, NSF Center for Aerosol Impacts, UC San Diego

Fortune Feature

"What the C-R box lacks in efficiency, it makes up for in airflow. All you care about is the total rate at which the air is cleaned."

Joseph Fox

IAQ Advisory Group Chair, Fortune Magazine

Fortune

"3M testing found the Corsi-Rosenthal Box performs exceptionally well at capturing airborne particles, including viruses."

Fortune Magazine

"A DIY air purifier taking America's classrooms by storm"

Box Co-Inventor

"Remove, Reduce, Remediate — layered inhalation-dose reduction. Not rocket science. For anyone who still cares about cleaner indoor air, it all applies."

Richard Corsi, PhD, PE

Dean of Engineering, UC Davis

Air Quality Advocate

"My favourite is CleanAirKits. The Luggable is very efficient cleaning per dollar and close to the DIY options. Love it."

Jay (@Docovid)

Indoor air quality advocate