Great prices on bulk orders 4 24pcs pound189 25 49pcs pound225 50 99pcs pound219 100pcs pound205 a 30 watt 3ft t8 tld fluorescent triphosphor tube this t8 fluorescent tubelamp has an average life of 15 000 hours and has an a class energy efficiency rating t8 fluorescent tubes are available in colours extra warm white 827 warm