MASTER TL-D Eco T8 Fluorescent Tube, dimmable, suitable for primary focus on office, school and hospital, secondary focus on retail, industry, supermarket application. Low-pressure mercury discharge lamp with a tubular 26 mm envelope. Simple lamp-for-lamp replacement for more than 10% energy saving. Makes lighting installation compliant with latest indoor lighting standards. Relatively high efficacy, both initially and during lifetime, with high lumen maintenance. The only T8 fluorescent lamp that saves more than 10% of energy in existing indoor luminaire. Can be directly retrofitted into existing fluorescent fitting operating on conventional EM or HF gear in indoor application. Uses the latest highly efficient phosphor and special filling gas. Light output comparable to other TL-D Super 80 colour. Lumen maintenance and lifetime the same as other TL-D Super 80 colour.