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2 x BC B22 Bayonet Cap to GU10 2 Pin Light Bulb Fitting Lamp Adaptor Converter Plug Power Socket Adapter 240v Used for Low Energy Saving SMD CFL LED GU10 Bulbs Standard
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Lamp Holders | Light Bulb Holders | Screwfix
Lamp Holders | Light Bulb Holders | Screwfix
B22 E27 E14 to G9 2E27 Light Lamp Adapter Converter EDISON Screw Bayonet Cap UK | eBay