This is a branded 970mm 36w T8 Triphosphor Fluorescent Tube, available in Cool white only. The 36w T8 Fluorescent tube boasts a lumen output of 3100 lumens and a 15,000 hour average lamp life. The T8 tubes are suitable for all stores, warehouses, factories and other large industrial sites as well as public buildings and spaces. T8 tubes can also be used within household applications and garages. Dimensions: 970mm (L) x 26mm (D) General Characteristics Wattage: 36w Lumens: 3100 Lumens Cap/Base: G13 Diameter: 26mm Length: 970mm Colour (K): 3000/4000 CRI: 85 Avg. hours: 15,000 Dimmable: Yes Box Quantity: 25 Energy Rating: A/B Brand: Sylvania