Philips TL-D Secura 58W 840 - 150cm at tiny prices! Fast shipping. Philips quality in large quantities with important discounts! Contact us! Philips TL-D Secura 58W 840 - 150cm 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.