The DIY Air Filter movement comes to the UK

Homemade air purifiers help protect against COVID

A group at the University of California, San Diego is building homemade air purifiers for classrooms and labs as an added layer of protection against COVID-1…

Following the success of the DIY Air Filter movement which is sweeping the US and Canada, the WHN Airborne Group DIY Filter Team has released 3 designs suitable for use in the UK.

These filters are simple to make with the components being easy to source from online retailers. A non-exhaustive list of suitable components can be found on Amazon.

Stefan Stojanovic on Twitter: “for gym fans anything between 80-120w 16-18″ is best. aim lower for quietest operation. These designs and numbers were tested using a 18″ 45 cm gym cage fan. Best not to go above 120w. Will likely be running setting 1 or 2. Highest power flow is large but unstable & noisy / Twitter”

for gym fans anything between 80-120w 16-18″ is best. aim lower for quietest operation. These designs and numbers were tested using a 18″ 45 cm gym cage fan. Best not to go above 120w. Will likely be running setting 1 or 2.

Video instructions for the box design:

How to make a 4-filter DIY Air Purifier with a round fan

So you’ve seen the #corsirosenthalbox DIY Air Purifier, but can’t find a box fan? The World Health Network DIY Filter Team is here to help with our UK CR box…

Video instructions for the single panel design:

Purificador artesanal

Descripcción de montaje de un purificador artesanal. Ensayos de caracterización de las prestaciones técnicas: CADR, filtración y eficiencia global.Informació…

UK CR Boxes are constructed in much the same way as a standard Corsi-Rosenthal Box, the sole exception being that the fan must be housed inside a box to achieve a square shape.

A Fourth Grader Explains How to Build a DIY Corsi/Rosenthal Box Air Cleaner

Use one 20 inch box fan and four 20x20x2 inch MERV 13 air filters. The sixth wall of the box is a piece of cardboard. You could replace the cardboard with …

We strongly encourage members of the public to try out the design and share photographs of their home-made air filter with us on social media to help spread the word.

Amanda on Twitter: “Give it a try and share your filters with us! Our goal with V1.0 was to get these designs out as quickly as possible and we are confident they will help clean the air. Results may vary slightly from listed CADR measurements based on the brand of fan or filter. 2/6 / Twitter”

Give it a try and share your filters with us! Our goal with V1.0 was to get these designs out as quickly as possible and we are confident they will help clean the air. Results may vary slightly from listed CADR measurements based on the brand of fan or filter.

For further information on the Worldwide DIY Air Filter movement, please take a look at Clear Air Crew, and our YouTube playlist:

DIY box fan air filters – Corsi-Rosenthal box – Clean Air Crew

Also known as a Corsi-Rosenthal box, this DIY method of building your own air filter with MERV13 furnace filters and a box fan are an easy and cost-effective way to help clear indoor air from airborne virus particles, wildfire smoke, pollen, dust, and more! If you can seal a box, you can build one (or…

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