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) nostock Instant Start Electronic Fluorescent WorkHorse

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

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

Philips 426023 MH400/U/ED28 400W ED28 Probe Start Metal Halide 4000K Mogul E39 Base Clear Reduced Outer Jacket Bulb M59/E (928601151303)

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

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) nostock Instant Start Electronic Fluorescent WorkHorsePhilips 232835 MS400 U PS 400W ED37 Pulse Start Super Metal Halide 4300K Mogul E39 Base Clear Bulb M155 E M135 E M128 E (928601179001)