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Filter Efficiency and Air Resistance Are What Matter Most
2023-10-26 16:57:24
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Rather than chasing the highest HEPA grade, consider filtration efficiency, airflow resistance, media area, and activated-carbon weight when choosing a filter.
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There is no need to pursue the highest grade blindly. Because an air purifier filters the air repeatedly, the difference in household performance may not be as large as the grade number suggests.
More important factors include the unfolded area of the HEPA medium and the weight of the activated carbon. To a certain extent, both directly affect filter service life and deserve attention when selecting a compatible replacement filter.
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Company Phone: 010-60770969
Address: Room 1708, Building B, Jinyu International Center, Longyu East 1st Road, Huilongguan Street, Changping District, Beijing
©2026 Kelan Filtration Technology(Beijing) Group Co., Ltd. All rights reserved
Record Number: Jing ICP No. 2022016037-2
Technical Support: Suyuan Network
Sales Phone/WeChat: 15601000090
Purchasing Management/WeChat: 13331060986
Company Phone: 010-60770969
Address: Room 1708, Building B, Jinyu International Center, Longyu East 1st Road, Huilongguan Street, Changping District, Beijing
©2026 Copyright Beijing Kelan Fresh Air Technology Co., Ltd. All rights reserved
Record Number: Jing ICP No. 2022016037-2
Technical Support: Suyuan Network
