Sylvania FBO31/841 31W 22.5 Inch 4100K 1-5/8 Inch Spaced T8 U-Bend Medium Bi-Pin Base Bulb (21879) backorder714 Instant Start Electronic Fluorescent WorkHorse

Instant Start Electronic Fluorescent WorkHorse 2 Ballast for 1-2 35W Maximum Lamps Operated at 277V/* */

Fulham Instant Start Electronic Fluorescent Workhorse Ballast For (1-2) 35W Maximum Lamps Run At 277V (WH2-277-L)

This programmed start ballast ensures smooth and consistent lighting

Philips 383810 MS320/U/PS 320W ED28 Pulse Start Super Metal Halide 4100K Mogul E39 Base Clear Bulb M154/E M132/E (928601152503)

Philips 321505 MH1000/U/BT37 1000W BT37 Probe Start Metal Halide 3700K Mogul E39 Base Clear Reduced Outer Jacket Bulb M47/E (928601179701)

Sylvania FBO31/841 31W 22.5 Inch 4100K 1-5/8 Inch Spaced T8 U-Bend Medium Bi-Pin Base Bulb (21879) backorder714 Instant Start Electronic Fluorescent WorkHorseSylvania FBO31 841 31W 22. 5 Inch 4100K 1 5 8 Inch Spaced T8 U Bend Medium Bi Pin Base Bulb (21879)