50 Watt, Halogen, MR16, BAB, 3000 Average rated hours, GU10 base, 120 Volt Light Bulb in Clear by Satco (S4194) from Lighting & Bulbs Unlimited
Simply Conserve ENERGY STAR GU-10 50-watt EQ 50-Watt EQ LED Mr16 Daylight Gu10 Pin Base Dimmable Flood Light Bulb (100-Pack) in the Spot & Flood LED Light Bulbs department at Lowes.com
Utilitech 50-Watt EQ MR16 Dimmable Bright White Reflector Decorative Halogen Light Bulb (3-Pack) at Lowes.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 20-Watt EQ MR16 Dimmable Bright White Reflector Light Fixture Halogen Light Bulb (2-Pack) in the Halogen Light Bulbs department at Lowes.com