- Nispira premium HEPA filter replacement compatible with Air model SPA-421A & SPA-582A
- High quality HEPA filter removes 99.97% of airborne particles down to 0.3 microns.
- Suggest to replace the HEPA filter once a year to optimize the air purifier performance
- Dimension: 15.75" x 11.75" x 1.5".
- 100% customer satisfaction guaranteed. Quality meets or exceeds leading national brand.
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