Basic Fluorescent T8 Tube, 2', 18W.

These low Pressure Mercury discharge lamps have an  envelope of 26mm.
They create atmospheres from warm to cool daylight with highly efficient 3 band fluorescent coating and high initial light output. The special fluorescent coating gives good colour rendering and relatively high efficacy, both initially and during lamp lifetime, with high lumen maintenance.

For more information on Basic Fluorescent T8 Tube, 2', 18W. talk to Pattersons Cleaning And Catering Supplies