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Covid-Safe Scout Proficiency Badge No.3
DIY a Corsi-Rosenthal Box
This recipient understands how to improve ventilation with air purifiers and has constructed at least one CR box using MERV-13 filters and a box fan.

Wanna earn this badge?
Use these links to learn how to build your own air purifier using fans and filters
🔗 Clean Air Crew - DIY box fan filters – Corsi-Rosenthal box: cleanaircrew.org/box-fan-filte
🔗 Dr. Richard L. Corsi - How to Build a Corsi-Rosenthal Box: youtube.com/watch?v=hIuH-2naoz
🔗 It’s Airborne - Building a PC Fan Corsi-Rosenthal Box: itsairborne.com/building-a-pc-
🔗 Airbon - UK DIY Air Purifiers: airbon.co.uk/post/diy-air-puri
• Find more useful resources about air cleaning: covidsafescouts.com/research.h

Already a seasoned Precautionista?
• Save the badge PNG to your device.
• Share this post and/or your badge on your favourite socials
• Reply with #CovidSafeScouts to share your CR Box mods
• Collect all the Covid-Safe Scout badges: covidsafescouts.com/badges.htm

#AltText: photo of a boxy chandelier, faced with fans that are glowing cyan and teal, with splashes of neon-hued magenta, purple, blue, green and yellow. The fans have subtle diagonal braces and hexagonal enclosures which enhance the pronounced vapourwave aesthetic, which could be from 1987 or 2027.

On closer inspection, it can be recognized as a fancy Corsi-Rosenthal Box.

The future is now!

@EricCarroll

#COVID#COVID19#CRbox

Covid-Safe Scout Proficiency Badge #3
DIY a Corsi-Rosenthal Box

This recipient understands how to improve ventilation with air purifiers and has constructed at least one CR box using MERV-13 filters and a box fan.

Wanna earn this badge?
Use these links to learn how to build your own air purifier using fans and filters
🔗 Clean Air Crew - DIY box fan filters – Corsi-Rosenthal box: cleanaircrew.org/box-fan-filte
🔗 Dr. Richard L. Corsi - How to Build a Corsi-Rosenthal Box: youtube.com/watch?v=hIuH-2naoz
🔗 It’s Airborne - Building a PC Fan Corsi-Rosenthal Box: itsairborne.com/building-a-pc-
🔗 Airbon - UK DIY Air Purifiers: airbon.co.uk/post/diy-air-puri
• Find more useful resources about air cleaning: covidsafescouts.com/research.h

Already a seasoned Precautionista?
• Save the badge PNG to your device.
• Share this post and/or your badge on your favourite socials
• Reply with #CovidSafeScouts to share your CR Box mods
• Collect all the Covid-Safe Scout badges: covidsafescouts.com/badges.htm
#CRbox #CorsiRosenthalBox #CleanAir #CleanTheAir #CovidSafeScouts #CovidIsNotOver #CovidIsntOver #CovidIsAirborne

at first I changed the filters after 6 months. But after reading some of Dr. Corsi's tweets I decided to go for every 12 months. So I had last changed the filters September 2023. Look at the difference! I did take them and shake out the worst of the dust outside in the Spring.
#IndoorAir #CRBox

Planning to join the Clean Air Festival’s DIY air cleaner workshop with Bryan Louis, Dr.sc, CAFS (NAFA-certified air filter specialist)? Make sure you have the supplies you’ll need! bit.ly/DIYAirCleaner_supplies

For those joining us from home and from afar, the livestream demo is planned for 2pm Pacific Time. On-site supplies are also available to build air cleaners to donate to schools via Clean Air in BC Schools, and to high-risk community members through Masks 4 East Van. Bonus: local high-risk folks can apply to get one of the air cleaners, whether or not you’re able to join us at the Festival 🙌