Spiral black light blue bulbs with 15 watts of compact fluorescent for energy savings while delivering the exact black light blue effect. This is equal to 60 watts for black light blue effects or paint applications. They have a special deep purple appearance when unlit. Using these can be fun in many types of applications where you want to make a stunning effect. These black spiral bulbs have a standard household base, making them ideal for almost any situation.

Product features:
- Blacklight effects and stage effects.
- 15 watts.
- 120 volt.
- 5.25-inch overall length.
- Spiral or coil shape.