BLUEAIR Blue Pure 411+ Black Pre-Filter, Washable Fabric Traps Pollen, Pet Hair & Dust, Dark Shadow Price: $7.99 (as of 04/09/2023 20:59 PST- Details)

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Genuine Blueair Replacement Pre-filter in Dark Shadow color for the Blue Pure 411+ air purifier; not compatible with standard 411 model

Colorful fabric pre-filter extends the life of the primary filter, catching large particles such as dust, lint, pollen and pet hair​

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