2 + 4 Pack True Post Filter Compatible With Holmes AER1 True Pot Filter, HAPF300AH-U4R (2 + 4 Pack)

Compatible with Holmes UNITS: CAP531-U, CAP529-U, HAP240, HAP242, HAP412, HAP422, HAP424, HAP702, HAP706, HAP716, HAP1702, HAP2400, HAP9240, HAP9241, HAP9242, HAP9243, HAP9412, HAP9413, HAP9414, HAP9415, HAP9422, HAP9423, HAP9424, and HAP9425., Compatible with Bionaire UNITS: BAP260, BAP815, BAP825, BAP9200, BAP9700, BAP520, BAP 9417, BAP9427, BAP9435., 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.