#1
PuroAir
400
3 positive 0 neutral 2 negative
Based on 5 Reddit mentions
$259.99
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Reddit mentions
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Cons of DIY air purifiers
HyperHEPA + pre‑filters - trapping ultrafine particles (<0.003 µm) Non-HEPA setups capture these too. Particles less than 0.3µm are captured differently than larger particles. They are not filtered per-se. They bump into and stick to fibers in the filter. Lower air speed improves effectiveness, thou
...snakevargas in r/crboxes
July 18, 2025 5:15 PM
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