MAS LEDBulbDT5.9-60W E27 927A60CL G: Philips MasterLED Filament A60 5.9W=60W E27 DIMTONE clear bulb (supersedes 8.5W=60W) delivers a DIMMABLE glow effect that dims-to-warm from 2700K down to 2200K for a welcoming warm atmosphere, and its unique design radiates warm light in all directions, making it a true alternative to the incandescent lamp. High colour rendering Index CRI90 light. Featuring a classic heritage design, these filament MASTER glass bulbs combine the familiar shapes of incandescent glass LED bulbs with the benefits of long-lasting LED technology. Ideal for creating a cosy atmosphere for customers, these glass LED bulbs provide excellent quality of light. MASTER glass bulbs can be dimmed for different lumen levels and colour temperatures (dimmable glass led bulbs). They also deliver significant energy savings, using 30% less energy compared to normal LED bulbs. By offering a lifetime of 25,000 hours, these dimmable glass LED bulbs also reduce maintenance costs.