LED Filament Bulb, Series: Design, ST19/S3/4.5W/27K/S/FIL/STD, 4.5 W, 120 VAC, Medium E26 Lamp Base, ST19, 450 lm, Yes Dimmable, 15000 hr Average Life, Warm White/Clear, 80 CRI, 2700 K Color, Spiral Filament, 300 deg Beam, -4 to 104 deg F, 40 W Traditional Equivalent, 100 lm/W Efficacy, 2-9/32 in Dia x 5-1/32 in L