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Recent Holmes HAP9241-related questions: How Do You Know When To Replace The Filter (desktop Version)I have misplaced my manual for the desktop Holmes HAP 9241 air purifier. Can't remember when I bough... Holmes Hepa Type Desktop Air Purifier
How often do I need to change the filter? Stops Running
After running it will shut off. It didn't do that when it was new, I'd leave it running 24/7 in our ...