“I have blueair , what filter do I buy for the 311 auto / 411 auto?”

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• Blueair - Replacement Filter for Blue Pure 311 Auto Air Purifier - Black/White

  Answered by Jose 1 year ago

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• Hi Brayden! You'll want to first make sure which unit you have by looking at the sticker underneath the motor fan, While the 311auto and 411auto share a manual (they operate the same) they take different filters.

  Answered by Blueair Support Team 3 years ago

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