GE Classic 50-Watt EQ MR16 Dimmable Warm White Reflector Flood Halogen Light Bulb (3-Pack) in the Halogen Light Bulbs department at Lowes.com
Feit Electric 500-Watt EQ T3 Dimmable Bright White Tubular Rough Service Halogen Light Bulb (2-Pack) in the Halogen Light Bulbs department at Lowes.com
Guide to Buying Halogen Light Bulbs - The Lightbulb Co. UK