Philips TL5 HO Secura 49W 840 - 145cm at reduced prices! Take advantage of Philips quality with important discounts for large quantities! Fast shipping, do not hesitate to contact us! Philips TL5 HO Secura 49W 840 - 145cm technical characteristics Philips TL5 High Output Secura or MASTER TL5 HO Secura are fluorescent tubes of 16 mm in diameter. These tubes have the distinction of being protected by a casing to prevent all risks in case of glass breakage while maintaining a highly light efficiency. These lamps must be used with an electronic ballast. With a length of 145 cm, Philips TL5 HO Secura 49W 840 - 145cm have a G5 base type. With a color temperature of 4000K, Philips TL5 HO Secura 49W 840 - 145cm are very energy efficient: their energy label is classified A. Philips TL5 HO Secura 49W 840 - 145cm lamps also have a very long lifespan, 24000 hours on average! Use of Philips TL5 HO Secura 49W 840 - 145cm Philips TL5 HO Secura 49W 840 - 145cm lamps are mainly used in classroom as efficient and secured lighting, or as enhancement.