ADVANCED COMPATIBILITY: Designed specifically for Holmes AER1 Series, these replacement filters are also compatible with for Bionaire units including the BAP260, BAP815, BAP825, BAP9200 and BAP9700. WIDE MODEL COVERAGE: These filters perfectly match a variety of for Holmes air purifier models, including HAP412, HAP422, HAP424, HAP702, HAP706, HAP716 and several other units for seamless functionality. Versatile for a variety of installations: Use these HEPA filters with other for Holmes models such as HAP1702, HAP2400 and extend their usefulness to the for Bionaire model BAP520 to ensure clean air in different environments. For Holmes Model Compatibility Extension: Perfect for Holmes models HAP9240, HAP9241, HAP9242, HAP9243, HAP9412, HAP9413, HAP9414, HAP9415 and HAP9422, HAP9423, HAP9424 and HAP9425 for an all-around improved air quality. ENHANCED AIR QUALITY GUARANTEE: Replace your for Holmes and for Bionaire air purifier models with our high-efficiency HEPA filters to improve indoor air quality, trap pollutants, allergens and enhance overall health. Colour:As Shown Material:Plastic Package Contents: 6 * filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.