Review Of 4 Foot T12 Fluorescent Light Fixture References. 4 ft (2) 5 (2) view all. They accept fluorescent bulbs and.

The t stands for tubular and the numbers are an index for the diameter (in inches) of the tube. So, in most cases, you won’t have to physically measure the tube’s diameter and length. 10 pk 8 foot, 2 lamp t8 tled strip bracket retrofit kit.





