E26 Medium Base Screw In Socket Adapter for LED Ceiling Lights Downlight | Step 1 Dezigns
Converter Bulb Base Adapter Converter | E26 Base Light Bulb | E12 Light Bulb Base - E12 - Aliexpress
Adamax Candelabra to Standard Base (E12 to E26) Light Bulb Adapter A1226E - The Home Depot
LH0891 Converts an E26/E27 medium base lamp holder/socket to a G9 lamp holder/socket
Lighthouse Saver - Item #SNAP IN MEDIUM BASE from Lighthouse Supply
LoraTap Smart WiFi Bulb Socket E26 2 Pack Wi-Fi LED Light Bulb Timer Lamp Holder Adapter, Voice Control with Amazon Alexa and Google Home, Smart Life App Control from Anywhere by Phone,
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Adamax Candelabra to Standard Base (E12 to E26) Light Bulb Adapter A1226E - The Home Depot