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The GermGuardian AC5900WCA is a console-style HEPA air purifier rated for rooms up to 500 sq ft, with a CADR of 239. It pairs a true HEPA filter with a UV-C light and offers three fan speeds plus a timer. It suits bedrooms, living rooms and open offices where dust, pollen and pet dander are the concern. Against tower rivals it moves less air per pass than larger units but adds UV treatment and a compact footprint; owners like the quiet low setting and simple controls, while some find the higher speeds loud and the filter replacements a recurring cost.
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Lowest price we've seen: $277.99 on Nov 11 at Quill. Tracked across 1 store since Nov 11.
Owners generally rate the AC5900WCA well for everyday dust and pollen relief and quiet low-speed operation. Complaints center on noise at the top speed and the ongoing cost of filters and UV bulbs.