... tube 4.average life: 6000/8000/10000 hours PLC fluorescent tubeFeatures: PLC 2PIN BASE: PLC 5W: 225lumens, G24d-1/G23-2PLC 7W: 350lumens ... 18W: 1150lumens, G24d-2PLC 26W: 1600lumens, G24d-3PLC 4PIN BASE: PLC 5W: 225lumens, G24q-1PLC 7W: 350lumens, G24q-1PLC 9W: 530lumens ... , G24q-1 PLC 13W: 850lumens, G24q-1PLC 18W: 1150lumens, G24q-2PLC 26W: 1600lumens ...