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HEPA Filters


Cheesehead123
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Princess installed higher rating air filters during Covid but I do not know the MERV rating. Nor do I know if or how routinely filters are changed.  I do know the backpressure from the higher rated filters was enough to cause problems with the AC.   When you say long hiatus, one assumes you refer to Covid and if this was your concern, Coronaviruses are so small they go right through.

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