The best price for Philips TL-D Secura 18W 840 - 59cm ! Use Philips quality while enjoying significant discounts on large quantities! Fast shipping, contact us!Philips TL-D Secura 18W 840 - 59cm specificationsPhilips TL-D Secura are high efficiency fluorescent tubes with a 26 mm diameter. They have the particularity to be very safe: they are Suitable in places where the risk of breakage is high (gyms), and the places where the UV emissions must be reduced (museums, archives). Lamps Philips TL-D Secura also avoid contamination resulting from lamp breakage, because they have a protective film.