This Philips Vintage LED 40W equivalent ST19 Clear Spiral Filament bulb is designed to be seen. Create a cozy ambiance with the soft white tones of this nostalgia-inspired dimmable LED bulb. It is a perfect fit for a range of decorative applications and styles. Vintage LED bulbs meet Philips EyeComfort criteria. Care for your eyes with quality comfortable light. Only Philips offers EyeComfort bulbs that meet strict criteria for visual comfort with no visible flicker or glare. This clear glass vintage style bulb has a medium (E26) base.