These MASTER filament bulbs with a classic glass design combine the familiar shapes of incandescent glass bulbs with the benefits of long-lasting LED technology. These glass LED bulbs are ideal for creating a cozy atmosphere and provide excellent light quality. MASTER glass bulbs can be dimmed to various lumen values and color temperatures. They also offer significant energy savings, consuming 30% less energy compared to standard LED bulbs. With a lifespan of 25,000 hours, these dimmable glass LED bulbs also reduce maintenance costs.