Osram 46w (Formally 55w) Twin 4ft LED Luminaire 6500k (Daylight) - This Luminaire is an LED equivalent of a standard Fluorescent Twin 58w T8 fitting, Giving you an energy saving of 59% over its 50,000 hours average lifetime. It has a lumen output of 6400 with a beam angle of 180°. This easy installation fitting comes complete with surface mounting accessories. More commonly used in areas such as; Warehouses, Car parks, Garages, and workshops. This fitting comes complete with a 5-year warranty! Osram LEDvance Part Number: 4058075000889 Length 1500 mm Width 95.0 mm Height 78.0 mm