![Blueair Blue 411+ in darkshadow pre-filter standing in a child's bedroom Blueair Blue 411+ in darkshadow pre-filter standing in a child's bedroom](https://www.blueair.com/dw/image/v2/AASF_PRD/on/demandware.static/-/Library-Sites-blueair-us-content-library/default/dw2c9c90a4/UIUX2021/PDPs/Blue%20prefilters/411+%20Prefilter/Blueair-PreFilterPDP-Secondary01-BP411+Pre-0122-dsk.png?sw=468)
Where form meets function
Our 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.
![Blueair Image of Blue Pure 411+ prefilters in color assortment (black, grey, blue, yellow, red, and pink)) Blueair Image of Blue Pure 411+ prefilters in color assortment (black, grey, blue, yellow, red, and pink))](https://www.blueair.com/dw/image/v2/AASF_PRD/on/demandware.static/-/Library-Sites-blueair-us-content-library/default/dw495232f9/UIUX2021/PDPs/Blue%20prefilters/411+%20Prefilter/Blueair-PreFilterPDP-Secondary02-BP411+Pre-0122-dsk.png?sw=468)
Switch color in seconds
Up to six available colors let you add a splash of color or a shade to compliment your space. Choose from Lunar Rock, Buff Yellow, Crystal Pink, Saffron Red, Dark Shadow or Diva Blue.
Pre-filter in Dark Shadow comes standard with your Blue Pure 411+ air purifier.
This pre-filter is designed for compatibility with the Blue Pure 411+ air purifier.
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.
When the pre-filter requires a deeper clean, wash on a gentle, low-temperature cycle in a washing machine. Hang to dry.
This pre-filter is compatible with the Blue Pure 411+ model.
This item includes one replacement pre-filter fabric.
Yes, there are a total of six pre-filter colors available for the Blue Pure 411+; Lunar Rock (gray), Dark Shadow (black), Crystal Pink (pink), Canary Yellow (yellow), Saffron Red (red), and Diva Blue (blue). Pre-filter in Dark Shadow and Diva Blue colors come standard with air purifier.
¹A flat shipping rate of $25.00 will be charged on filter shipments to Alaska, Hawaii, and Puerto Rico. Additional charges may apply for shipments over 30 lbs. A flat shipping rate of $5 will be charged on orders under $39 that are not part of filter subscription.