A T8 Polylux XLr™ Linear Fluorescent Lamp, dimmable, suitable for retail, domestic, office, school, sports hall, industrial site application. Polylux XLr™ lamp has high performance tri-phosphor. Polylux XLr™ lamp should be the natural choice for all fluorescent lighting application. The excellent colour reproduction flatters skin tones making people appear more natural, and makes merchandise appear more vibrant and colourful.