GermGuardian LB5100 UV-C Replacement Bulb for AC5109 Air Purifier

This 4-watt UV-C replacement bulb helps reduce airborne bacteria, viruses, mold spores, and volatile organic compounds when used with the GermGuardian AC5109 air purifier.

• The description claims the bulb reduces airborne bacteria, viruses, mold spores, and volatile organic compounds.
• The description claims the bulb needs to be replaced every 10-12 months depending on use and environmental factors.