Standard-BL Fluorescent 120/277V Electronic Emergency Ballast For (1) 2 Foot 4 Foot T12/T8 20 40W Circline 13 26W 4-Pin Compact Fluorescent Bulb With Time Delay (BAL500TD) nostock With a 4000K color temperature

With a 4000K color temperature and Mogul E39 base

Philips 287334 MH175/U 175W ED28 Probe Start Metal Halide 4000K Mogul E39 Base Clear Bulb M57/E (928601150313)

Rubber Lamp Changer for Miniature Lamps

TCP 17W PAR38 LED 2700K 120V 1200Lm 82 CRI Medium E26 Base Dimmable Flood Bulb (LED17P38D27KFL)

Advance ICN4P32N35I Instant Start Electronic Fluorescent Ballast For F32T8 F17T8 Lamps Run At 120-277V (913701220301)

Standard-BL Fluorescent 120/277V Electronic Emergency Ballast For (1) 2 Foot 4 Foot T12/T8 20 40W Circline 13 26W 4-Pin Compact Fluorescent Bulb With Time Delay (BAL500TD) nostock With a 4000K color temperatureStandard BL Fluorescent 120 277V Electronic Emergency Ballast For (1) 2 Foot 4 Foot T12 T8 20 40W Circline 13 26W 4 Pin Compact Fluorescent Bulb With Time Delay (BAL500TD)