William Ramsey @WilliamRamsey@qoto.org

Some notes on general filter 'sack' design, if you can imagine the drawing as a sheet of filter media #IAQ

140mm, 12V Fan & MERV-13+ Filter Sack Array, using Corsair fan tray. #IAQ

9/8/21

Example of 4" "mixed flow" fan. These are commonly used in w/ indoor grow ventilation. Also note some Noctua fans have higher static pressure than ARCTIC P14s, performed better with this filter.

Idk #RamseyCylinder sounds better. Rubber forms seal. Fan shrouds below. Also note some 4" inline fans and 6" (with reducer) can also attach.
https://www.etsy.com/listing/1064768181/set-of-3-140mmx140mm-4-inch-round-heat

#Book

120 mm/120 V and 140 mm/ 12 V, HEPA

If Musk "is Trump" (psychopathic) and you 'bring value' to his business with your participation, what message does it send to an outside observer? How is society shaped by the participation of hundreds of millions, including most all major press and the influential? What does that reveal about our values? #PositiveDisintegration

5x-10x 12VDC 140mm fan networks.

The drawing board. https://www.texairfilters.com/a-mini-corsi-rosenthal-box-version-2/