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Red Green Blue Yellow 12V LED MR11 Low Voltage Light Bulb GU4 Coloured Spotlight | eBay
Feit Electric MR11 GU4 Bi-Pin Base Non-Dimmable LED Light Bulb, 240 Lumens, Warm White, 25W | Canadian Tire
LED bulb MR11 15x 5730 5W, 510lm, 120°, natural white
LED GU4 MR11 12V 345Lm 4.5W 2700K - Dirks Lichtadvies