UV Sterilizer 55W (12GPM), UV Lamp (T5), Input Voltage 110V, 1" male thread, US plug pin, light and audio alarm ballast
LSE Lighting 64x37 GPH406T5L/VH/HO/4P 55W T5 Collar Base for Lennox - Walmart.com
Sylvania 55W Long Twin Tube 4-Pin 2G11 Plug-In base 3500K fluorescent – BulbAmerica
Philips 55W 12in Diameter HO T5 Cool White Circline Bulb | TL5C 55W/840 (FC12T5/841/HO) | Bulbs.com
ALZO Video-Lux T5 55W 5600K Fluorescent Globe U-Tube - Pack of 2 - Replacement for Kino-Flo and Osram light bulbs, perfect daylight color for all video production - Compact Fluorescent Bulbs -
Current GE Biax (TM) 55W, T5 PL Plug-In Fluorescent Light Bulb F55BX/SPX35 | Zoro