“What is the difference between the BestBuy GermGuardian Model:AC5900WDLXSKU:6362530 and the GermGardian AC5900WCA 21" Air Purifier with HEPA & UVC 338 sq. ft.?”

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• Best buy model is cheaper. Otherwise exactly the same.

  Answered by wing15601 5 years ago

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• There is no difference between the units. The letters on the end are for packaging purposes only.

  Answered by GuardianTechnologies 5 years ago

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