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Head to head · 2 products

Blue Pure 311i Max vs Blue Pure 511i Max

Verified specs side by side. The green tick marks the better value on each measurable row.

Comparing 2 products
Blue Pure 311i Max
Blue Pure 311i Max—Score pending
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Blue Pure 511i Max
Blue Pure 511i Max—Score pending
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View specs
The short verdict

Scores pending

We haven’t scored these yet. Use the measured differences and full specs below.

Blue Pure 311i Max
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Blue Pure 511i Max
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Blue Pure 311i Max
    Full specs →
    Blue Pure 511i Max
      Full specs →
      At a glance

      Key differences

      Measured differences only. Ties and tiny gaps are left out.
      Full specs

      Side-by-side specifications

      Display1 difference
      Screen
      Yes
      No
      Performance1 difference
      Noise level
      50 dB
      48 dB
      Connectivity
      Bluetooth
      No
      No
      General3 differences
      CADR
      283 CFM
      153 CFM
      Coverage Area
      439 sq ft
      237 sq ft
      Power consumption
      32 W
      17 W
      Where to buy

      Specs verified against manufacturer data. Prices in USD before tax; we may earn a commission from qualifying purchases.

      Community

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