2x 30W R39 Pearl Reflector Spot Lights, Lava Lamp Bulb, Small Screw SES E14 | eBay
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
R39 30w 240v Edison Lamp Bulb E14 Replacement Lava Lamp Spotlight Screw In Light Bulb Lava Lamp Incandescent Filament Lamp Type - Led Bulbs & Tubes - AliExpress