Notice something off about this product?
Philips Low Pressure Sodium, HID, HPL-N400WE39/41HG.SL Designation, 400 W Wattage, 140 VAC, 3.25 A, Mercury Vapor Lamp, E39 Mogul Lamp Base, ED37 Shape, 23000 Lumens, 24000 hr Average Life, White, 45 CRI, 3700 K Color Temperature, Coated Lamp, 117.5 mm Dia Dimensions
Mercury vapor lamps feature low initial cost, but have higher operating costs than HPS or metal halide due to its lower efficiency. The clear mercury bulb has a bluish greenappearance and the deluxe white has a higher color rendering. Mercury lamps get dimmer over time and rarely burn out, so it is wise to replace them and restore light level.
Philips Low Pressure Sodium, HID, HPL-N400WE39/41HG.SL Designation, 400 W Wattage, 140 VAC, 3.25 A, Mercury Vapor Lamp, E39 Mogul Lamp Base, ED37 Shape, 23000 Lumens, 24000 hr Average Life, White, 45 CRI, 3700 K Color Temperature, Coated Lamp, 117.5 mm Dia Dimensions
Mercury vapor lamps feature low initial cost, but have higher operating costs than HPS or metal halide due to its lower efficiency. The clear mercury bulb has a bluish greenappearance and the deluxe white has a higher color rendering. Mercury lamps get dimmer over time and rarely burn out, so it is wise to replace them and restore light level.
