This Osram 20881 Dulux Eco bulb has a GX24Q-3 base. This base is used for commercial lighting and consumer lighting. It is a 26 watt bulb that has a color temperature of 3500K. The Osram 20881 Dulux Eco has a rated life of 12000 hours.

Base	GX24Q-3
Bulb Type	Fluorescent Bulbs
Color Rendering Index (CRI)	82
Color Temperature (K)	3500K
Maximum Overall Length (in)	5.0
Rated Life (Hours)	12000
Shape	Triple Tube 4-PIN
Wattage (W)	26W