Here’s a slim portable #ALPanel. 200mm 103cfm Coolermaster fan, 10x10 Nordic Pure MERV 13 + carbon. Black masking tape + 2 rubber feet. Easily fits in a bag or backpack, has much simpler wiring because it’s 1 fan. Leave the LEDs off and it just needs 1 normal USBA plug or batt
It’s probably pretty low CADR, say 20-40, but it definitely cleans the air in my bedroom over time. Very quiet, basically silent, easy to sleep with it on. Fan is $29, runs off the simple power supply pinned on my profile.
I have a more powerful fan this size but it’s a lot louder. I prefer this one for the silence. I’m going to make a few new portable designs, ones you can actually put in a bag as that seems to be really sought after rn
You can see the other fan in this larger panel I built. I found at night I had to turn off the smaller/louder fan. So I chose the quieter Coolermaster fan for the portable; the louder Silverstone fan definitely delivers more CADR, rated at 143 vs 103 cfm.
Bedside. I put feet on this one because without them the fan has to drop down from it’s perfect position in the middle of the filter; taping it up so the fan&filter are flush at bottom (but off-center) would make the feet unnecessary
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