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