When maximum efficiency and sleek design solutions are required, use the Philips 14632-4 plug-in compact fluorescent light bulb with ALTO technology. This Philips PL-T CFL operates 57 watts and has a 4-pin, GX24q-5 base. High quality triple tubes emit beautiful halogen white 3500K color temperature. With high color rendering of 82, the fluorescent lamp provides 3,900 lumens and lasts up to 12,000 hours. Ideal for facilities, retail displays, hospitality, office, restaurant, and warehouse applications.