Breathe Fresh, Live Well! 🌱 Includes 4 high-quality filters for long-lasting freshness. Experience cleaner air with 99.97% filtration efficiency. Designed for ultra-quiet operation, perfect for any room. Fits seamlessly with 3M Filtrete models FAP01-RMS and FAP02-RMS. Quality that meets or exceeds leading brands, or your money back. 4-pack value 99.97% particle removal True HEPA technology The Nispira True HEPA Filter is a premium aftermarket air filter designed for 3M Filtrete Ultra Quiet Air Purifiers, effectively removing up to 99.97% of airborne particles as small as 0.3 microns. This 4-pack ensures you have a reliable supply for optimal air quality, with a recommended replacement every six months for best performance.