This is a Crompton branded 21″ 13w Fluorescent tube in 535, standard white. These tubes have an average life of 5,000 hours and have a A class energy efficiency rating. They have a lumen output of 800lm and they are commonly used in under cabinet lighting, shelves and bathroom lighting.
Manufacturers Part No (where applicable) : FT2113W
This Crompton product is available for just £2.92
at LampShopOnline Ltd