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 411i Max

Blueair Blue Pure 411i Max Air Purifier

Series: Blue Pure Max

These filter part numbers are matched to this air purifier model in our reference. Compare the OEM number with the label on your current filter or your owner’s manual before you buy.

Your replacement

BLUEAIR-F4MAX

Blue Pure 411i/411a Max particle + carbon filter

Replace about every 6 months

OEM / manufacturer catalog (keyword lookup)

All details for this part (notes, compatible models, buying options when listed)

Notes & next steps

Search again if you need a different model or part number.

Blueair first-party F4MAX replacement filter page identifies 411i Max as a distinct compatible unit.