Hi SWA, I received the bulk email today from Ryan Green, about additional cleaning procedures and the mention of HEPA filters. I would like to know how often SWA is replacing their HEPA filters on each aircraft? As most travelers and homeowners know, HEPA filters need routine replacement to be effective to remove airborne particles according to the HEPA filter manufacturers guidelines. Airline filter replacement has been called into question by many routine travelers over the years of as an 'unknown', since flights changed years ago to non-smoking and recirculated air being used in the industry.
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