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STANDARD® HID Lamp, MH400W/U/ED28 STD Designation, 400 W Wattage, 135 V, HID Lamp, E39 Lamp Base, ED28 Shape, 36000 Lumens, 20000 hr Average Life, 65 CRI, 4000 K Color Temperature, Clear Lamp, Probe Start, 50% Dimmable Ballast, Enclosed Fixture, 3-1/2 in Dia x 8-5/16 in L Dimensions
STANDARD® HID Lamp, MH400W/U/ED28 STD Designation, 400 W Wattage, 135 V, HID Lamp, E39 Lamp Base, ED28 Shape, 36000 Lumens, 20000 hr Average Life, 65 CRI, 4000 K Color Temperature, Clear Lamp, Probe Start, 50% Dimmable Ballast, Enclosed Fixture, 3-1/2 in Dia x 8-5/16 in L Dimensions
