What Is The Difference Between T9 And T10 Bulbs?

What Is The Difference Between T9 And T10 Bulbs? The T indicates a tubular design and the number behind it indicates the diameter in 1/8″ increments. So a T9 would be a 1 1/8″ diameter tube and a T10 would be a 1 1/4″ diameter tube. You can always choose to replace your T10 light … Continue reading What Is The Difference Between T9 And T10 Bulbs?