Sunlite 5-Watt MR11 Aluminum 30-Degree Narrow Flood 12V 3200K Bright White GU4 Base Halogen Light Bulb (6-Pack) HD03611-1 - The Home Depot
TORCHSTAR 3 Watt (25 Watt Equivalent), MR11 LED, Non-Dimmable Light Bulb, Warm White (2700K) GU4/Bi-pin Base | Wayfair
Sunlite 5MR11/CG/6V 5-Watt Halogen MR11 GU4 Based Mini Reflector Bulb, Cover 653703034454 | eBay
Feit Electric 20-Watt Equivalent MR11 GU4 Bi-Pin Dimmable 12-Volt Track Lighting 90+ CRI LED Flood Light Bulb, Bright White BPFTD/930CA - The Home Depot
Bulbrite 20-Watt Equivalent MR8 with Bi-Pin Base GU4 Dimmable Soft White Light 2900K Halogen Light Bulb (5-Pack) 862020 - The Home Depot