Harder, Better, Faster, Stronger DIY

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Steph

Hi, live in Australia where we are unfortunately exposed to bush-fire smokes in this season.

Is it critical for the filter to be tightly applied against the outside rim of the canon, or will a few mm gaps between the filter and the canon in some places badly compromise the performance as it leaks unfiltered airflow?
My HEPA filter doesn’t have an outer frame and therefore flexes in places under the pressure of the fan.
The low-tech approach would seam to suggest that we aren’t after an airtight bond between the two. Are you able to confirm?
Cheers.

shriram krishnamurthy

Hi,
My city has an average PM2.5 of 40 to 50 ug/cubic metre. On top of it, there are construction activities going around my residence. So I expect PM2.5 at my house to be around 70 ug/cubic metre. Will the cannon DIY or DIY 1.1 be able to bring down the PM2.5 in my residence? with the above figures of PM2.5, how much PM2.5 can I expect if I use cannon DIY air purifier?
Thank You

Parth

Just out of curiosity, will the horizontal air flow of the canon and DIY have any say on the quality of output? Most air purifiers suck in air horizontally and blow it out the top. The Canon and DIY both can be made to face whosoever is sitting in the room. While they no doubt bring down ambient air pollution, will pointing them straight at the face help? The air going down the nose is what counts, after all. I am guessing doing so while sleeping might present some advantage over the regular stock?

Marissa S Maxey

Hi, I am really interested in the accessibility of homemade air purifiers to vulnerable populations. Is there any peer reviewed data supporting your findings? Thank you.

Paul

Would like to order HEPA and carbon filters, do you have any recommendations for comparable fans to the Cannon that could be purchased in US (Avoiding high international shipping)