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In Reply to: MERV 13... posted by Ivan303 on April 30, 2022 at 05:46:47:
This fan has been running 24-7 for more than three years.
I use a stand 3M air filter.
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Follow Ups
- My box air filter. - Mr Steed 05/1/2216:21:05 05/1/22 (0)