Halogen JC Type Light Bulb G4 Base 12 Volt 20 Watt - JC G4 12V 20W Pack of 3 Bulbs - Amazon.com
Feit Electric Halogen JC 10-Watt EQ JCT3 Warm White G4 Base Dimmable Halogen Light Bulb (2-Pack) in the General Purpose Light Bulbs department at Lowes.com
Buy LED Replacement for Halogen JC Type 20W Bulb Bi Pin