Amazon.com: 4W UV-C Ultraviolet G4T5 Bulb for EdenPure G7 Air Purifier. : Home & Kitchen
Philips 18W 4 Pin G24q2 Very Warm White Double Twin Tube CFL Bulb | PL-C 18W/827/4P/ALTO (4 Pin) | Bulbs.com
Uvitizer Ultraviolet Bulb UV Light - (2) 10 in. UV-C Bulb for Under Sink Reverse Osmosis UV Water Filtration Systems 1 GPM BLB105122PK - The Home Depot