This Osram 20890 has a GX24Q-4 base that is used for general lighting and consumer lighting. This bulb has a rated life of 12000 hours and color temperature of 4100K. The Osram 20890 is a 42 watt triple tube compact fluorescent bulb.

Base	GX24Q-4
Bulb Type	Fluorescent Bulbs
Color Rendering Index (CRI)	82
Color Temperature (K)	4100K
Maximum Overall Length (in)	6.5
Rated Life (Hours)	12000
Shape	Triple Tube 4-PIN
Wattage (W)	42W