R39 E14 Base Lava Lamp Bulb, 30 Watt Replacement Bulbs for Lava Lamps, Extra Long Life Reflector Spot Light Bulb, High Temp Resistant Lava lamp Light Bulb - Amazon.com
Amazon.com : Spotlight Bulb 30W R39 E14 Lamp Reflector Small Screw SES, Pack of 2 : Electronics
R39 E14 Base Lava Lamp Bulb, 30 Watt Replacement Bulbs for Lava Lamps, Extra Long Life Reflector Spot Light Bulb, High Temp Resistant Lava lamp Light Bulb - Amazon.com