Fulham Instant Start Electronic Fluorescent Workhorse Ballast For (1-2) 35W Maximum Lamps Run At 277V (WH2-277-L) nostock This programmed start ballast ensures

This programmed start ballast ensures smooth and consistent lighting

Philips 232835 MS400/U/PS 400W ED37 Pulse Start Super Metal Halide 4300K Mogul E39 Base Clear Bulb M155/E M135/E M128/E (928601179001)

while offering compatibility with F54T5/HO and F58T8 lamps and a wide voltage range of 120-277V

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

Fulham Instant Start Electronic Fluorescent Workhorse Ballast For (1-2) 35W Maximum Lamps Run At 277V (WH2-277-L) nostock This programmed start ballast ensuresFulham Instant Start Electronic Fluorescent Workhorse Ballast For (1 2) 35W Maximum Lamps Run At 277V (WH2 277 L) Instant Start Electronic Fluorescent WorkHorse 2 Ballast for 1 2 35W Maximum Lamps Operated at 277V