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This is a replacement UV-C bulb for GermGuardian air cleaners in the AC4825, AC4850 and AC4900 series, not a standalone purifier. The 5-watt clear circline bulb sits inside the purifier's UV-C chamber, where the light is meant to kill germs pulled through the unit. GermGuardian advises replacing it every 10 to 12 months depending on use. It is a consumable part, so the only real question is whether it fits your model and how long it lasts.
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Lowest price we've seen: $34.99 on Nov 8 at Quill. Tracked across 1 store since Nov 8.
This is a replacement UV-C bulb for GermGuardian UV-C and True HEPA air cleaners. It fits the AC4825, AC4850-4800 and AC4900 model series.
UV-C is the frequency of UV light that kills germs. It penetrates thin-walled germs such as viruses and bacteria. The bulb has a clear circline shape.
Replace the bulb every 10 to 12 months, depending on use.
