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Homeby Witness Moecki
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RE: Air filters - Merv vs HEPA?

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shrivastava.sud (41)in #life • 7 years ago

Nice post.Normally in hospitals HEPA ( High efficiency particulate air ) filters are used. Cost vice HEPA and Merv 17-20 are almost equal.

7 years ago in #life by shrivastava.sud (41)
$0.00
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