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r/crboxes is a subreddit with 4k members. Its distinguishing qualities are that the community is medium in size.
CR boxes are DIY (or buy) air purifiers that are much more efficient, affordable, and quiet than standard air purifiers. Show off your CR boxes, share tips on building them, and help reduce the transmission of Airborne diseases to end the ongoing Covid/SARS2 Pandemic.
CR boxes stands for: Corsi-Rosenthal boxes
CADR stands for: Clean Air Delivery Rate
CFM stands for: Cubic Feet per Minute. Also referred to as airflow, the CFM is how much air a fan moves.
Learn more at https://itsairborne.com
Popular Topics in r/crboxes
#1
Fan
28 posts
#2
Cr Box
25 posts
#3
Filters
21 posts
#4
Crbox
16 posts
#5
Filter
15 posts
#6
Box Fan
15 posts
#7
Box
13 posts
#8
Air
11 posts
#9
Build
11 posts
#10
Fans
10 posts
Member Growth in r/crboxes
Daily
+24 members(0.6%)
Monthly
+752 members(22.7%)
Yearly
+2k members(67.8%)
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