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The GermGuardian AC48252PK is a 22-inch tower air purifier with a three-stage system: a HEPA filter for particles, an activated carbon pre-filter for odors, and a UV-C light in the air path. It has three fan speeds and a low-speed quiet mode, and the brand rates it for rooms up to 740 square feet. Its CADR of 125 CFM is modest for that claimed coverage, so it works best in a bedroom or office rather than a large open living space. Rivals at similar size often move more air, but few combine HEPA, carbon and UV-C in one tower.
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Lowest price we've seen: $248.00 on Nov 11 at Walmart. Tracked across 3 stores since Nov 11.
Owners generally find it effective for bedrooms and small rooms, especially for dust and pet odor, and like the quiet low setting. Complaints center on the modest airflow, the cost and frequency of filter and bulb replacements, and the lack of smart features.
