• 6 Premium HEPA filter compatible with Holmes aer1 total air filter HAPF30AT-U4R. Compatible with AER1 ready air purifiers
• HEPA filter removes up to 99.97 percent of airborne particles as small as 0.3 microns.
• Compatible with Holmes Units: CAP531-U, CAP529-U, HAP240, HAP242, HAP412, HAP422, HAP424, HAP706, HAP716, HAP9240, HAP9242, HAP9412, HAP9414, HAP9422, HAP9424
• Compatible with Bionaire Units: BAP260, BAP815, BAP825, BAP9200, BAP9700, BAP520.
• Filter dimension: 1.2 x 10 x 4.6 inches. 6 HEPA included. We recommend replacing your air purifier filters every 6 months to maintain effectiveness and efficiency.
• Quality meets or exceeds leading national brand's