Activated Carbon Pre Filter Compatible with Holmes AER1 Air Purifier HAPF30AT HEPA Air Filter - 9.5” x 4” x 0.25” (4 Carbon Filters)

• Filter Replacement: Pack of 4 carbon booster filters designed to replace Holmes AER1 HAPF30AT HAP242-NUC filters for the AER1 air purifier.
• Odor and Smoke Removal: Effectively removes odors, smoke, and volatile organic compounds (VOCs) from the air.
• Dimensions: Each filter measures 9.5 x 4 x 0.25 inches ensuring a perfect fit for the Holmes AER1 air purifier.
• A pack of 4 pre filters. Suggest to replace every 3 months the most to optimize the performance
• Easy to install. Just remove the used filter from the air purifier and put in the new one. Suggested to replace the filters every 6 months to optimize the efficiency.
• Quality meets or exceeds leading national brand's

Compatible with Bionaire Air Purifier: BAP260, BAP815, BAP825, BAP9200, BAP9700, BAP520, Holmes Air Purifier: HAP242-NUC, HAPF300AH-U4R, HAPF30AT-U4R, CAP531-U, CAP529-U, HAP240, HAP242, HAP412, HAP422, HAP424, HAP706, HAP716, HAP9240, HAP9242, HAP9412, HAP9414, HAP9422, HAP9424.