The Satco non-dimmable 11 watt 8" diameter 4000K T9 Circline LED bulb generates as much light as a 22 watt T9 Circline fluorescent bulb. No ballast or external driver needed.
Replaces 22W 8" FC8T9/CW Circline Bulb AND Ballast
11 Watts replaces 22 Watt Circle bulb and ballast
 1,210 Lumen
50,000 Hours Average Lifetime
120 Volts
T9 Circle 4 Pin connector
 Cool White 4000K
CRI: 83
 8 inches Outside Diameter
Non-dimming
Damp Location rated
Estimated life of 45.7 years based on 3 hours use per day
You must bypass the ballast using the included directions!