GermGuardian 5-Watt Replacement Bulb in the Air Purifier Light Bulbs department at Lowes.com
Germicidal UV Lamp 5 Watt Bulb OR Bulb w/Remote n Base OR Rechargeable w/Remote FLD-NS Series - Factory LED Direct
sera amalgam UV-C lamp 5 W for UVC-Xtreme | sera
QuantaModule Open Source 5-Watt Far UV Excimer Module DC 24V Far-UVC Light Kit with 222nm Bandpass Flitter and Housing ⋆ QuantaDose Far-UV/UVC Light and Detection
SANSI 5-Watt UV LED Black Light Bulb (2-Pack) 01-02-001-010502 - The Home Depot