This is a branded 3ft 30w T8 Triphosphor Fluorescent Tube, available in all colours from Extra Warm white, Warm white, Standard white, Cool white and Daylight. The 30w T8 Fluorescent tube boasts a lumen output of 2450 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: 895mm (L) x 26mm (D) General Characteristics Wattage:          30w Lumens:           2450 Lumens Cap/Base:        G13 Diameter:         26mm Length:             895mm Colour (K):        2700/3000/3500/4000/6500 CRI:                  85 Avg. hours:       15,000 Dimmable:       Yes Box Quantity:   25 Energy Rating:  A/B Brand:              GE/Osram/Philips/Sylvania