@kelluri @Yehuda
Hard agree with Kelluri.
I built mine when NYC got hit last month, and it is absolutely, without a doubt, worth the time and money investment (if you've not already done it or bought another filter system). Cleaned up the air inside almost immediately. Has been great for other things too.
Built as-specified using the UtiliTech fan from Lowe's:
https://mastodon.online/@Brett_E_Carlock/110506180563962948
Shroud is a pain, but does quiet it noticeably.
Benzie, 17 y/o rescue dog suspected to be a Schnauzer.
Penn & Teller are 1 y/o miniature Schnauzers.
Richard, Emergency Medicine Physician, an old ER doc.
KB5FLA Amateur Radio Extra Class DXCC
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