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.
Odor and Smoke Removal: Effectively removes odors, smoke, and volatile organic compounds (VOCs) from the air.
A set of 4 pre-filters. It is recommended to change them every three months at most to maintain optimal performance.
Dimensions: Each filter measures 9.5 x 4 x 0.25 inches ensuring a perfect fit for the Holmes AER1 air purifier.
Quality meets or exceeds leading national brand's
Filter Replacement: Pack of 4 carbon booster filters designed to replace Holmes AER1 HAPF30AT HAP242-NUC filters for the AER1 air purifier.