“what is the difference between the 311i Max and the 311i + Max?”

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• The Blue Pure 311i+ Max air purifier cleans up to 1,116sqft large space in 30min on high and has a Clean Air Delivery Rate (CADR) of 300 for fine smoke particles, dust and pollen. The Blue Pure 311i Max air purifier cleans up to 929sqft space in 30min on high. This air purifier has a Clean Air Delivery Rate (CADR) of 250 for fine smoke particles, dust and pollen.

  Answered by Anonymous 2 years ago

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• DO YOU HAVE TO REPLACE A FILTER

  Answered by Anonymous 2 months ago

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