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Hepa filter

Viewpoints
Viewpoints
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Jeffrey A. Tucker

Room Filtration Didn’t Work Either

Feb 05, 2024
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Jeffrey A. Tucker
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Room Filtration Didn’t Work Either
Feb 05
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Research & Discoveries
Research & Discoveries
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George Citroner

Study Suggests Air Filters Ineffective Against COVID and Other Respiratory Infections; Some Experts Disagree

Air filters flew off the shelves during the pandemic, but research questioned their efficacy in preventing infections. One expert has a different take.
Dec 05, 2023
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George Citroner
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Study Suggests Air Filters Ineffective Against COVID and Other Respiratory Infections; Some Experts Disagree
Dec 05
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The Epoch Times
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Robert Morrison

Choosing the Right Air Filter for Your Home

Jul 31, 2014
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Robert Morrison
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Choosing the Right Air Filter for Your Home
Jul 31
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