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
Westinghouse 20-Watt Halogen MR16 Clear Lens Low Voltage GU5.3 Base Spot Light Bulb 0474900 - The Home Depot