Search·Blueair
When you already know your purifier’s model number, this page shows the replacement filter numbers we match to it—then you can compare with your old filter and shop.
Brand
Blueair
Model Blue Pure 311 Auto
Blueair Blue Pure 311 Auto Air Purifier
Series: Blueair
These filter part numbers are matched to this air purifier model in our reference. Compare the part number with the label on your current filter or your owner’s manual before you buy.
Primary part on file
BLUEAIR-311-AUTO-FILTER
Blue Pure 311 Auto particle + carbon filter
Replace about every 6 months
BLUEAIR-311-AUTO-FILTER may fit model Blue Pure 311 Auto, but compare the part number carefully before you buy.
Why this part
- 2 mapped replacement part options for this purifier model in our reference
- Notes available for this part
- No buying options yet. We haven’t found a product page we’re comfortable showing for this filter number.
Replacement filter fit for this model is based on our reference data.
Do not buy yet until you verify your air purifier model number or the part number on the filter you removed against your unit label or owner’s manual.
BuckParts does not have enough proof to show a buy button for this replacement filter yet. Verify the part number on your current cartridge or your owner’s manual first.
- Some listings we have on file are not product pages we can safely link to yet, so those stay hidden.
All details for this part (notes, compatible models, buying options when listed)
Other parts that also fit this model
Less common crosses — open each for full part details.
Notes & next steps
Search again if you need a different model or part number.
Timing when several parts fit: Replace about every 6 months