Approximate Measurements: 2.25"L x 1.5"W(Top of Bulb).
Base Measures Approximately 1/2".
Specially designed to reflect and direct the light into the base of lava lamps in order to create enough heat to start the lava motion.
Set of 2 Replacement BULBS for any of our Lava Lamps. R39 30 Watt Reflector type bulbs. Approximate Measurements: 2" L x 1.5" W(Top of Bulb) Base Measures Approximately 5/8" x 9/16" Specially designed to reflect and direct the light into the base of lava lamps in order to create enough heat to start the lava motion.