Excellent Filtration: The Aer1 replacement filter for Holmes can capture 99.97% of particles down to 0.3 microns. The carbon filter can absorb smoke, pet odor and cooking smells. Higher efficiency to ensures maximum filtration.
Easy to Use: The Aer1 filter replacement can be easily installed and replaced by anyone, no need other tools. Our filters work just as well as the original ones.
Replace Tips: We recommend replacing your HAPF300AH air filter every 2-3months to keep the air purifier working with high-performance and extend the life of your air purifier.