Unique “Edison” style 4.9 watt ST19 EarthBulb LED bulb features filament LED technology. This bulb provides 430 lumens and replaces 40 watt incandescent bulbs which provides over 80% energy savings. Available in 2700K soft white and 2400K warm color. Clear glass provides the unique retro appearance. Perfect for decorative applications. Provides for 15,000 hours of LED life. E26 medium base type.