| 摘要 |
An air cleaner (300) is provided according to an embodiment of the invention. The air cleaner (300) includes an air duct (301) including an inlet end (320) and an outlet end (330), a pre-filter (302) positioned at the inlet end (320), an electrostatic precipitator (304) positioned in the air duct (301) downstream of the pre-filter (302), a post-filter (306) positioned in the air duct (301) downstream of the electrostatic precipitator (304), and a fan unit (308) positioned in the air duct (301) downstream of the post-filter (306). Airflow travels from the inlet end (320) to the outlet end (330). The airflow first encounters the pre-filter (302), encounters the electrostatic precipitator (304) after encountering the pre-filter (302), encounters the post-filter (306) after encountering the electrostatic precipitator (304), and encounters the fan unit (308) after encountering the post-filter (306). Each of the pre-filter (302), the electrostatic precipitator (304), and the post-filter (306) can be separately installed and removed from the air duct (301).
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