Model compatibility ledger

Blueair Blue Pure 311 Auto replacement filter

Use this model page to match the purifier body label to the OEM filter SKU, compatible alternatives, sizing notes, and retailer listings before ordering.

OEM filter SKU

F311PACF101435

Replacement interval

Every 6 months

Annual filter estimate

$55-$120

OEM filter first

Blueair Blue Pure 311 Auto Particle and Carbon Filter

Mid-size Blue Pure Auto purifier.

Model numbers: 311 Auto, Blue Pure 311 Auto
Aliases: Blueair 311 filter
Dimensions: Mid-size filter for Blue Pure 311 Auto.

Last reviewed 2026-05-29. Match both purifier model and filter SKU because retailers often group similar cartridges together.

OEM and compatible filter comparison

OEM entries are shown first. Compatible alternatives are not manufacturer-approved unless marked OEM.

Check	OEM filter	Compatible option
Manufacturer-recommended filter	F311PACF101435 · Blueair Blue Pure 311 Auto Particle and Carbon Filter	F311PACF101435 · Blueair Blue Pure 311 Auto Particle and Carbon Filter Mid-size filter for Blue Pure 311 Auto. Annual estimate: $55-$120.

Retailer options for F311PACF101435

Amazon

Blueair Blue Pure 311 Auto replacement filter

Varies by listing

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Availability note: Use the SKU and model notes here to confirm fit before checkout.
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Check retailer listing

Verify the purifier model and filter SKU on the retailer page before ordering.

Blueair

Blue Pure 311 Auto replacement filter