#1
Field Controls
TRIO Pro
4 positive 0 neutral 1 negative
Based on 5 Reddit mentions
$299.99
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Reddit mentions
Original Reddit posts and comments behind this analysis.
Which commercially made purifiers offer the best CADR per dollar?
That sucks, I haven't had those issues with mine. The noise is just physics if you actually want a high CADR. The only way you can get meaningful CADR without much noise is to get a bigger purifier like this one: https://www.costco.com/p/-/field-controls-trio-pro-commercial-and-industrial-grade-air-
...ayoba in r/AirPurifiers
July 20, 2026 5:57 AM
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