maximalpower 4 true hepa + 8 pre filter compatible with holmes aer1 allergen remover filter, replacement parts # hapf300ah-u4

Compatibility Compatible with Holmes HAP412, HAP422, HAP424, HAP702, HAP706, HAP716, HAP1702, HAP2400, HAP9240, HAP9241, HAP9242, HAP9243, HAP9412, HAP9413, HAP9414, HAP9415, HAP9422, HAP9423, HAP9424, and HAP9425 models True HEPA Filtration True HEPA purifier performance catches up to 99.97% of particles in the air like dirt, dust, odor and traps it into its filter panels to keep you house's air quality safe & clean for your family to breathe in Sizing Dimension: 1.2 x 10 x 4.6 inches, may also be compatible with Bionaire BAP260, BAP520, BAP815, BAP825, BAP9200, and BAP9700 modelsbe Easy Install & Replacement Replace filter once the indicator light for your model is up; simply take out the old one & mount the new unit into the filter slot. Fast & easy with no tools required. Replace filters every 4-6 months depending on usage Backed by Company US-based Brand with Warranty and Customer Service Support available

View full description