How do I clean the pre-filter?

The pre-filter can be cleaned easily by using the brush attachment on your vacuum to remove visible dust and dirt. For a deeper clean, it is machine washable on a gentle, low-temperature cycle. After washing, hang it to dry to maintain its quality and performance.

What types of particles does the pre-filter capture?

This pre-filter is designed to catch large airborne particles such as dust, lint, pollen, and pet hair, helping to extend the life of the primary filter and improve air quality.

Is the pre-filter reusable?

Yes, the pre-filter is reusable and machine washable. It can be cleaned multiple times to ensure long-lasting performance and efficiency.

What material is the pre-filter made from?

The pre-filter is made from 100% polyester, providing durability and efficient filtration. It features a limestone finish for a subtle and modern look.

What warranty is provided with the pre-filter?

The pre-filter comes with a 30-day parts and labor warranty, giving you peace of mind with your purchase.

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Blueair Blue Pure 311i+ Max Air Purifier Pre-Filter in Limestone Finish - 110046

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Blueair 110046 Blue Pure 311i+ Max Air Purifier Pre-Filter in Limestone

Quickly And Easily Change Your Pre-Filter

Our washable fabric pre-filters extend the life of primary filters, catching large airborne particles such as dust, lint, pollen, and pet hair. They're colorful too, and can be customized to compliment your space.

Features

Air Purifier Compatibility
This pre-filter is designed to be compatible with the Blue Pure 311i+ Max.
Cleans Easily With A Vacuum
For quick cleaning, use the brush attachment on your vacuum to clean the exterior of the fabric pre-filter of visible dust and dirt between washes.
Reusable, Machine Washable
When the pre-filter requires a deeper clean, wash on a gentle, low-temperature cycle in a washing machine. Hang to dry.

California customers: