General Description: Generic Circline 22 watt T5 4 pin plug in fluorescent light bulb. This is a 7.25 inch overall diameter circular bulb. The fluorescent tube itself is 18mm in diameter (T5) or 3/4 of an inch. It has a color temperature of 4000k (cooll white). It has a 5.000 hour average life rating. It has a G10Q base with 4 pins in a square facing in.
22 Watt Circline Fluorescent T5 Light Bulb
Full product name
Avg. Hrs. Life
18 mm (T5)
7.25 inches OD
7.25 in. outside diameter (OD)
18mm fluorescent tube diameter (about .70 inch)
4000K color temperature (cool white)
4-pin G10Q base lamp (4 pins in a square)
Life of 5,000 hours on average.
Replacement for lamps having circular fluorescent light bulb