E39/E40 to E26/E27 Lamp Bulb Socket Adapter Converter
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US E27 to E40 Mogul LED Light Lamp Bulb Adapter Converter Base Socket Widely Use | eBay
FINELED 3PACK Mogul/Goliath (E39/E40) to Mogul/Goliath (E39/E40) Adapters, Socket Extensions, Use This Adapter to Plug an Mogul/Goliath (E39/E40) Bulb Into a Mogul/Goliath (E39/E40) Light Fixture - - Amazon.com
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