EMNOOTI E26 Twin Light Bulb Adapter, Medium Screw Socket Splitter Converter,Light Bulb Socket Splitter Adapter,E26 to Dual E26 Standard Screw Light Holder Adapter (White Color / 3-Pack) - - Amazon.com
2pcs/Pack) Yi Lighting - Edison Screw to 2/Dual Edison Screw Y Shape Socket Base Lamp Extender Splitter Dual Adapter Converter For LED CFL Lights ONLY (NOT For Incandescent Lights) - - Amazon.com
Double Edison Base Socket 47701 | B&P Lamp Supply
Leviton 660-Watt Keyless Twin-Socket Lamp Holder Adapter R52-00128-00W - The Home Depot
3157 LED Bulb - Dual Function 18 SMD LED Tower - Wedge Base | Super Bright LEDs
Creative Hobbies 3 Pack - Double Bulb Socket, 2-Light Twin Cluster Socket, Incandescent Lampholder, Medium Base E26 Phenolic Double Light Socket, With 1/8 IP Bracket, Wire Leads - - Amazon.com
125V 30W Dual Contact Base Mini Emergency Light Bulb Emergency Lighting