Rynloas GU10 Halogen 50W Bulbs, 6 pack GU10+C 120V 50W with 2800k Warm White, Long Lifespan GU10 MR16 Dimmable for Track & Recessed Lighting - Walmart.com
Feit Electric 50-Watt Equivalent MR16 GU10 Dimmable Track Lighting 90+ CRI Frosted Flood LED Light Bulb, Bright White (3-Pack) BPMR16IFGU500930CA/3 - The Home Depot
Feit Electric 50-Watt EQ MR16 Bright White GU10 Pin Base Dimmable Light Bulb at Lowes.com