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.- Flux measurement reference: Sphere- Switching Cycle : 20,000- Nominal lifetime: 25,000 h- Cap base B22- Colour Code: 922-927 [CCT of 2200K-2700K]- Luminous Flux: 1,521 lm- Luminous Efficacy (rated) (Nom): 144 lm/W- Colour consistency:<6- Colour rendering index (CRI): 90- LLMF at end of nominal lifetime (nom.):70%