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Ceramic E40 Lamp Socket - growland.biz
E40 Ceramic Lamp Holder - Progrow
E40 Goliath Moghul Screw to Edison E27 LED CFL Lamp Holder Adaptor Converter - Walmart.com
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E26/E27 to E39/E40 Light Sockets Adapter, Light Bulb Socket, Bulb Base Adapter, Converters Lamp Holder, Converts E39 Pin Base Fixture to E26/E27 Standard Screw-in Socket (Pack of 10) - Amazon.com
E40 LAMP HOLDER for Adjust-A-Wings reflector | led-grower.eu
Buy Wholesale China E39 E40 Lamp Socket And Holder, Ceramic And Porcelain & E39 E40 Lamp Socket And Holder at USD 0.01 | Global Sources