- Nispira premium filter set compatible with Blueair Blue Pure 411, 411+ & MINI Air Purifiers.
- High quality HEPA filter capture 99.97% of airborne particles down to 0.3 microns.
- Activated charcoal filter helps deodorize any unfavorable household smell
- 3 Filters included. Dimension: 1.9 x 8 x 11.1 inches. Suggested to replace every 6 months for best performance.
- 100% customer satisfaction guaranteed. Quality meets or exceeds leading national brand