🌬️ Breathe smarter, live fresher — don’t let stale air hold you back!
This 2-pack of Mbetter replacement filters is engineered exclusively for the Blueair Blue Pure 311 Auto air purifier. Featuring a 2-in-1 design combining HEPASilent filtration and activated carbon, these filters capture 99.99% of airborne particles as small as 0.03 micrometers. Designed for optimal performance, each filter lasts up to 9 months, ensuring your environment stays fresh and pollutant-free. Easy to install and backed by responsive customer support, these filters keep your air purifier running at peak efficiency.
| Brand Name | Mbetter |
| Model Info | mb311 |
| Item Weight | 1.57 pounds |
| Product Dimensions | 15 x 13.4 x 3.5 inches |
| Item model number | mb311 |
| Part Number | mb311 |
| Compatible Device | Air Purifier |
| Material Type | Activated Carbon Filter |
| Batteries Included? | No |
| Batteries Required? | No |
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